intersectin-1 isoform X17 [Homo sapiens]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | ||||||
| INTAP | pfam16617 | Intersectin and clathrin adaptor AP2 binding region; INTAP is a natively unstructured region ... |
798-904 | 1.85e-61 | ||||||
Intersectin and clathrin adaptor AP2 binding region; INTAP is a natively unstructured region of intersectin 1 proteins, lying between the first pair of SH3 domains, that binds to the clathrin adaptor AP2. This binding forms an intersectin-AP2 complex that functions as an important regulator of clathrin-mediated SV recycling in synapses. : Pssm-ID: 435467 Cd Length: 115 Bit Score: 204.34 E-value: 1.85e-61
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| EH | smart00027 | Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe ... |
214-309 | 1.38e-44 | ||||||
Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe (NPF) sequences. : Pssm-ID: 197477 [Multi-domain] Cd Length: 96 Bit Score: 155.90 E-value: 1.38e-44
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| SH3_Intersectin1_1 | cd11987 | First Src homology 3 domain (or SH3A) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor ... |
744-798 | 1.75e-37 | ||||||
First Src homology 3 domain (or SH3A) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN1 localizes in membranous organelles, CCPs, the Golgi complex, and may be involved in the cell membrane trafficking system. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The first SH3 domain (or SH3A) of ITSN1 has been shown to bind many proteins including Sos1, dynamin1/2, CIN85, c-Cbl, PI3K-C2, SHIP2, N-WASP, and CdGAP, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. : Pssm-ID: 212920 [Multi-domain] Cd Length: 55 Bit Score: 133.97 E-value: 1.75e-37
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| EH | smart00027 | Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe ... |
14-108 | 6.87e-36 | ||||||
Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe (NPF) sequences. : Pssm-ID: 197477 [Multi-domain] Cd Length: 96 Bit Score: 130.86 E-value: 6.87e-36
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| Smc super family | cl34174 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
363-684 | 2.42e-18 | ||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; The actual alignment was detected with superfamily member COG1196: Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 90.77 E-value: 2.42e-18
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| Name | Accession | Description | Interval | E-value | |||||||
| INTAP | pfam16617 | Intersectin and clathrin adaptor AP2 binding region; INTAP is a natively unstructured region ... |
798-904 | 1.85e-61 | |||||||
Intersectin and clathrin adaptor AP2 binding region; INTAP is a natively unstructured region of intersectin 1 proteins, lying between the first pair of SH3 domains, that binds to the clathrin adaptor AP2. This binding forms an intersectin-AP2 complex that functions as an important regulator of clathrin-mediated SV recycling in synapses. Pssm-ID: 435467 Cd Length: 115 Bit Score: 204.34 E-value: 1.85e-61
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| EH | smart00027 | Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe ... |
214-309 | 1.38e-44 | |||||||
Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe (NPF) sequences. Pssm-ID: 197477 [Multi-domain] Cd Length: 96 Bit Score: 155.90 E-value: 1.38e-44
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| SH3_Intersectin1_1 | cd11987 | First Src homology 3 domain (or SH3A) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor ... |
744-798 | 1.75e-37 | |||||||
First Src homology 3 domain (or SH3A) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN1 localizes in membranous organelles, CCPs, the Golgi complex, and may be involved in the cell membrane trafficking system. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The first SH3 domain (or SH3A) of ITSN1 has been shown to bind many proteins including Sos1, dynamin1/2, CIN85, c-Cbl, PI3K-C2, SHIP2, N-WASP, and CdGAP, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212920 [Multi-domain] Cd Length: 55 Bit Score: 133.97 E-value: 1.75e-37
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| EH | smart00027 | Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe ... |
14-108 | 6.87e-36 | |||||||
Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe (NPF) sequences. Pssm-ID: 197477 [Multi-domain] Cd Length: 96 Bit Score: 130.86 E-value: 6.87e-36
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| EH | cd00052 | Eps15 homology domain; found in proteins implicated in endocytosis, vesicle transport, and ... |
225-291 | 1.20e-25 | |||||||
Eps15 homology domain; found in proteins implicated in endocytosis, vesicle transport, and signal transduction. The alignment contains a pair of EF-hand motifs, typically one of them is canonical and binds to Ca2+, while the other may not bind to Ca2+. A hydrophobic binding pocket is formed by residues from both EF-hand motifs. The EH domain binds to proteins containing NPF (class I), [WF]W or SWG (class II), or H[TS]F (class III) sequence motifs. Pssm-ID: 238009 [Multi-domain] Cd Length: 67 Bit Score: 100.76 E-value: 1.20e-25
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| EH | cd00052 | Eps15 homology domain; found in proteins implicated in endocytosis, vesicle transport, and ... |
26-90 | 1.71e-25 | |||||||
Eps15 homology domain; found in proteins implicated in endocytosis, vesicle transport, and signal transduction. The alignment contains a pair of EF-hand motifs, typically one of them is canonical and binds to Ca2+, while the other may not bind to Ca2+. A hydrophobic binding pocket is formed by residues from both EF-hand motifs. The EH domain binds to proteins containing NPF (class I), [WF]W or SWG (class II), or H[TS]F (class III) sequence motifs. Pssm-ID: 238009 [Multi-domain] Cd Length: 67 Bit Score: 100.37 E-value: 1.71e-25
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
363-684 | 2.42e-18 | |||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 90.77 E-value: 2.42e-18
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| EF-hand_4 | pfam12763 | Cytoskeletal-regulatory complex EF hand; This is an efhand family from the N-terminal of actin ... |
224-307 | 9.94e-16 | |||||||
Cytoskeletal-regulatory complex EF hand; This is an efhand family from the N-terminal of actin cytoskeleton-regulatory complex END3 and similar proteins from fungi and closely related species. Pssm-ID: 289529 Cd Length: 104 Bit Score: 73.95 E-value: 9.94e-16
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| SMC_prok_B | TIGR02168 | chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of ... |
335-638 | 1.71e-15 | |||||||
chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. This family represents the SMC protein of most bacteria. The smc gene is often associated with scpB (TIGR00281) and scpA genes, where scp stands for segregation and condensation protein. SMC was shown (in Caulobacter crescentus) to be induced early in S phase but present and bound to DNA throughout the cell cycle. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274008 [Multi-domain] Cd Length: 1179 Bit Score: 81.64 E-value: 1.71e-15
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
331-738 | 2.09e-15 | |||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 81.73 E-value: 2.09e-15
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| EF-hand_4 | pfam12763 | Cytoskeletal-regulatory complex EF hand; This is an efhand family from the N-terminal of actin ... |
21-99 | 3.84e-15 | |||||||
Cytoskeletal-regulatory complex EF hand; This is an efhand family from the N-terminal of actin cytoskeleton-regulatory complex END3 and similar proteins from fungi and closely related species. Pssm-ID: 289529 Cd Length: 104 Bit Score: 72.02 E-value: 3.84e-15
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| SH3 | smart00326 | Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences ... |
741-797 | 3.90e-15 | |||||||
Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences containing proline and hydrophobic amino acids. Pro-containing polypeptides may bind to SH3 domains in 2 different binding orientations. Pssm-ID: 214620 [Multi-domain] Cd Length: 56 Bit Score: 70.26 E-value: 3.90e-15
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| SH3_9 | pfam14604 | Variant SH3 domain; |
747-797 | 7.71e-13 | |||||||
Variant SH3 domain; Pssm-ID: 434066 [Multi-domain] Cd Length: 49 Bit Score: 63.79 E-value: 7.71e-13
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| SMC_N | pfam02463 | RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The ... |
366-686 | 3.06e-12 | |||||||
RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The SMC (structural maintenance of chromosomes) superfamily proteins have ATP-binding domains at the N- and C-termini, and two extended coiled-coil domains separated by a hinge in the middle. The eukaryotic SMC proteins form two kind of heterodimers: the SMC1/SMC3 and the SMC2/SMC4 types. These heterodimers constitute an essential part of higher order complexes, which are involved in chromatin and DNA dynamics. This family also includes the RecF and RecN proteins that are involved in DNA metabolism and recombination. Pssm-ID: 426784 [Multi-domain] Cd Length: 1161 Bit Score: 71.16 E-value: 3.06e-12
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| GBP_C | cd16269 | Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal ... |
331-414 | 6.55e-05 | |||||||
Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal domain. Guanylate-binding proteins (GBPs) are synthesized after activation of the cell by interferons. The biochemical properties of GBPs are clearly different from those of Ras-like and heterotrimeric GTP-binding proteins. They bind guanine nucleotides with low affinity (micromolar range), are stable in their absence, and have a high turnover GTPase. In addition to binding GDP/GTP, they have the unique ability to bind GMP with equal affinity and hydrolyze GTP not only to GDP, but also to GMP. This C-terminal domain has been shown to mediate inhibition of endothelial cell proliferation by inflammatory cytokines. Pssm-ID: 293879 [Multi-domain] Cd Length: 291 Bit Score: 46.03 E-value: 6.55e-05
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| PHA03247 | PHA03247 | large tegument protein UL36; Provisional |
805-995 | 4.44e-04 | |||||||
large tegument protein UL36; Provisional Pssm-ID: 223021 [Multi-domain] Cd Length: 3151 Bit Score: 44.54 E-value: 4.44e-04
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| OmpH | smart00935 | Outer membrane protein (OmpH-like); This family includes outer membrane proteins such as OmpH ... |
335-416 | 1.26e-03 | |||||||
Outer membrane protein (OmpH-like); This family includes outer membrane proteins such as OmpH among others. Skp (OmpH) has been characterized as a molecular chaperone that interacts with unfolded proteins as they emerge in the periplasm from the Sec translocation machinery. Pssm-ID: 214922 [Multi-domain] Cd Length: 140 Bit Score: 40.26 E-value: 1.26e-03
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| FRQ1 | COG5126 | Ca2+-binding protein, EF-hand superfamily [Signal transduction mechanisms]; |
212-284 | 1.28e-03 | |||||||
Ca2+-binding protein, EF-hand superfamily [Signal transduction mechanisms]; Pssm-ID: 444056 [Multi-domain] Cd Length: 137 Bit Score: 40.16 E-value: 1.28e-03
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| Name | Accession | Description | Interval | E-value | ||||||||
| INTAP | pfam16617 | Intersectin and clathrin adaptor AP2 binding region; INTAP is a natively unstructured region ... |
798-904 | 1.85e-61 | ||||||||
Intersectin and clathrin adaptor AP2 binding region; INTAP is a natively unstructured region of intersectin 1 proteins, lying between the first pair of SH3 domains, that binds to the clathrin adaptor AP2. This binding forms an intersectin-AP2 complex that functions as an important regulator of clathrin-mediated SV recycling in synapses. Pssm-ID: 435467 Cd Length: 115 Bit Score: 204.34 E-value: 1.85e-61
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| EH | smart00027 | Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe ... |
214-309 | 1.38e-44 | ||||||||
Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe (NPF) sequences. Pssm-ID: 197477 [Multi-domain] Cd Length: 96 Bit Score: 155.90 E-value: 1.38e-44
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| SH3_Intersectin1_1 | cd11987 | First Src homology 3 domain (or SH3A) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor ... |
744-798 | 1.75e-37 | ||||||||
First Src homology 3 domain (or SH3A) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN1 localizes in membranous organelles, CCPs, the Golgi complex, and may be involved in the cell membrane trafficking system. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The first SH3 domain (or SH3A) of ITSN1 has been shown to bind many proteins including Sos1, dynamin1/2, CIN85, c-Cbl, PI3K-C2, SHIP2, N-WASP, and CdGAP, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212920 [Multi-domain] Cd Length: 55 Bit Score: 133.97 E-value: 1.75e-37
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| EH | smart00027 | Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe ... |
14-108 | 6.87e-36 | ||||||||
Eps15 homology domain; Pair of EF hand motifs that recognise proteins containing Asn-Pro-Phe (NPF) sequences. Pssm-ID: 197477 [Multi-domain] Cd Length: 96 Bit Score: 130.86 E-value: 6.87e-36
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| SH3_Intersectin_1 | cd11836 | First Src homology 3 domain (or SH3A) of Intersectin; Intersectins (ITSNs) are adaptor ... |
744-798 | 3.72e-32 | ||||||||
First Src homology 3 domain (or SH3A) of Intersectin; Intersectins (ITSNs) are adaptor proteins that function in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. They are essential for initiating clathrin-coated pit formation. They bind to many proteins through their multidomain structure and facilitate the assembly of multimeric complexes. Vertebrates contain two ITSN proteins, ITSN1 and ITSN2, which exist in alternatively spliced short and long isoforms. The short isoforms contain two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoforms, in addition, contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. ITSN1 and ITSN2 are both widely expressed, with variations depending on tissue type and stage of development. The first SH3 domain (or SH3A) of ITSN1 has been shown to bind many proteins including Sos1, dynamin1/2, CIN85, c-Cbl, PI3K-C2, SHIP2, N-WASP, and CdGAP, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212770 [Multi-domain] Cd Length: 55 Bit Score: 119.00 E-value: 3.72e-32
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| EH | cd00052 | Eps15 homology domain; found in proteins implicated in endocytosis, vesicle transport, and ... |
225-291 | 1.20e-25 | ||||||||
Eps15 homology domain; found in proteins implicated in endocytosis, vesicle transport, and signal transduction. The alignment contains a pair of EF-hand motifs, typically one of them is canonical and binds to Ca2+, while the other may not bind to Ca2+. A hydrophobic binding pocket is formed by residues from both EF-hand motifs. The EH domain binds to proteins containing NPF (class I), [WF]W or SWG (class II), or H[TS]F (class III) sequence motifs. Pssm-ID: 238009 [Multi-domain] Cd Length: 67 Bit Score: 100.76 E-value: 1.20e-25
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| EH | cd00052 | Eps15 homology domain; found in proteins implicated in endocytosis, vesicle transport, and ... |
26-90 | 1.71e-25 | ||||||||
Eps15 homology domain; found in proteins implicated in endocytosis, vesicle transport, and signal transduction. The alignment contains a pair of EF-hand motifs, typically one of them is canonical and binds to Ca2+, while the other may not bind to Ca2+. A hydrophobic binding pocket is formed by residues from both EF-hand motifs. The EH domain binds to proteins containing NPF (class I), [WF]W or SWG (class II), or H[TS]F (class III) sequence motifs. Pssm-ID: 238009 [Multi-domain] Cd Length: 67 Bit Score: 100.37 E-value: 1.71e-25
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| SH3_Intersectin2_1 | cd11988 | First Src homology 3 domain (or SH3A) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor ... |
743-798 | 6.53e-23 | ||||||||
First Src homology 3 domain (or SH3A) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN2 also functions as a specific GEF for Cdc42 activation in epithelial morphogenesis, and is required in mitotic spindle orientation. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The first SH3 domain (or SH3A) of ITSN2 is expected to bind many protein partners, similar to ITSN1 which has been shown to bind Sos1, dynamin1/2, CIN85, c-Cbl, PI3K-C2, SHIP2, N-WASP, and CdGAP, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212921 [Multi-domain] Cd Length: 57 Bit Score: 92.63 E-value: 6.53e-23
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
363-684 | 2.42e-18 | ||||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 90.77 E-value: 2.42e-18
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
408-728 | 6.56e-16 | ||||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 83.06 E-value: 6.56e-16
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| EF-hand_4 | pfam12763 | Cytoskeletal-regulatory complex EF hand; This is an efhand family from the N-terminal of actin ... |
224-307 | 9.94e-16 | ||||||||
Cytoskeletal-regulatory complex EF hand; This is an efhand family from the N-terminal of actin cytoskeleton-regulatory complex END3 and similar proteins from fungi and closely related species. Pssm-ID: 289529 Cd Length: 104 Bit Score: 73.95 E-value: 9.94e-16
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| SMC_prok_B | TIGR02168 | chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of ... |
335-638 | 1.71e-15 | ||||||||
chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. This family represents the SMC protein of most bacteria. The smc gene is often associated with scpB (TIGR00281) and scpA genes, where scp stands for segregation and condensation protein. SMC was shown (in Caulobacter crescentus) to be induced early in S phase but present and bound to DNA throughout the cell cycle. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274008 [Multi-domain] Cd Length: 1179 Bit Score: 81.64 E-value: 1.71e-15
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
331-738 | 2.09e-15 | ||||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 81.73 E-value: 2.09e-15
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| SMC_prok_B | TIGR02168 | chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of ... |
348-659 | 2.38e-15 | ||||||||
chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. This family represents the SMC protein of most bacteria. The smc gene is often associated with scpB (TIGR00281) and scpA genes, where scp stands for segregation and condensation protein. SMC was shown (in Caulobacter crescentus) to be induced early in S phase but present and bound to DNA throughout the cell cycle. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274008 [Multi-domain] Cd Length: 1179 Bit Score: 81.26 E-value: 2.38e-15
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| EF-hand_4 | pfam12763 | Cytoskeletal-regulatory complex EF hand; This is an efhand family from the N-terminal of actin ... |
21-99 | 3.84e-15 | ||||||||
Cytoskeletal-regulatory complex EF hand; This is an efhand family from the N-terminal of actin cytoskeleton-regulatory complex END3 and similar proteins from fungi and closely related species. Pssm-ID: 289529 Cd Length: 104 Bit Score: 72.02 E-value: 3.84e-15
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| SH3 | smart00326 | Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences ... |
741-797 | 3.90e-15 | ||||||||
Src homology 3 domains; Src homology 3 (SH3) domains bind to target proteins through sequences containing proline and hydrophobic amino acids. Pro-containing polypeptides may bind to SH3 domains in 2 different binding orientations. Pssm-ID: 214620 [Multi-domain] Cd Length: 56 Bit Score: 70.26 E-value: 3.90e-15
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
355-703 | 4.90e-15 | ||||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 79.98 E-value: 4.90e-15
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| SH3_Nostrin | cd11823 | Src homology 3 domain of Nitric Oxide Synthase TRaffic INducer; Nostrin is expressed in ... |
746-797 | 7.71e-15 | ||||||||
Src homology 3 domain of Nitric Oxide Synthase TRaffic INducer; Nostrin is expressed in endothelial and epithelial cells and is involved in the regulation, trafficking and targeting of endothelial NOS (eNOS). It facilitates the endocytosis of eNOS by coordinating the functions of dynamin and the Wiskott-Aldrich syndrome protein (WASP). Increased expression of Nostrin may be correlated to preeclampsia. Nostrin contains an N-terminal F-BAR domain and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212757 [Multi-domain] Cd Length: 53 Bit Score: 69.68 E-value: 7.71e-15
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
335-708 | 1.55e-14 | ||||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 78.44 E-value: 1.55e-14
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
328-759 | 1.57e-14 | ||||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 78.64 E-value: 1.57e-14
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
351-730 | 5.49e-14 | ||||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 77.10 E-value: 5.49e-14
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
326-686 | 6.56e-14 | ||||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 76.72 E-value: 6.56e-14
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| SMC_prok_B | TIGR02168 | chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of ... |
439-713 | 2.34e-13 | ||||||||
chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. This family represents the SMC protein of most bacteria. The smc gene is often associated with scpB (TIGR00281) and scpA genes, where scp stands for segregation and condensation protein. SMC was shown (in Caulobacter crescentus) to be induced early in S phase but present and bound to DNA throughout the cell cycle. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274008 [Multi-domain] Cd Length: 1179 Bit Score: 74.71 E-value: 2.34e-13
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| SMC_prok_A | TIGR02169 | chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of ... |
350-685 | 2.74e-13 | ||||||||
chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. It is found in a single copy and is homodimeric in prokaryotes, but six paralogs (excluded from this family) are found in eukarotes, where SMC proteins are heterodimeric. This family represents the SMC protein of archaea and a few bacteria (Aquifex, Synechocystis, etc); the SMC of other bacteria is described by TIGR02168. The N- and C-terminal domains of this protein are well conserved, but the central hinge region is skewed in composition and highly divergent. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274009 [Multi-domain] Cd Length: 1164 Bit Score: 74.33 E-value: 2.74e-13
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| SH3_CD2AP-like_3 | cd11875 | Third Src Homology 3 domain (SH3C) of CD2-associated protein and similar proteins; This ... |
744-797 | 3.14e-13 | ||||||||
Third Src Homology 3 domain (SH3C) of CD2-associated protein and similar proteins; This subfamily is composed of the third SH3 domain (SH3C) of CD2AP, CIN85 (Cbl-interacting protein of 85 kDa), and similar domains. CD2AP and CIN85 are adaptor proteins that bind to protein partners and assemble complexes that have been implicated in T cell activation, kidney function, and apoptosis of neuronal cells. They also associate with endocytic proteins, actin cytoskeleton components, and other adaptor proteins involved in receptor tyrosine kinase (RTK) signaling. CD2AP and the main isoform of CIN85 contain three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CD2AP and CIN85 to bind various protein partners and assemble complexes that have been implicated in many different functions. SH3C of both proteins have been shown to bind to ubiquitin. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212808 [Multi-domain] Cd Length: 55 Bit Score: 65.06 E-value: 3.14e-13
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| SH3 | cd00174 | Src Homology 3 domain superfamily; Src Homology 3 (SH3) domains are protein interaction ... |
744-795 | 5.21e-13 | ||||||||
Src Homology 3 domain superfamily; Src Homology 3 (SH3) domains are protein interaction domains that bind proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. Thus, they are referred to as proline-recognition domains (PRDs). SH3 domains are less selective and show more diverse specificity compared to other PRDs. They have been shown to bind peptide sequences that lack the PxxP motif; examples include the PxxDY motif of Eps8 and the RKxxYxxY sequence in SKAP55. SH3 domain containing proteins play versatile and diverse roles in the cell, including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies, among others. Many members of this superfamily are adaptor proteins that associate with a number of protein partners, facilitating complex formation and signal transduction. Pssm-ID: 212690 [Multi-domain] Cd Length: 51 Bit Score: 64.41 E-value: 5.21e-13
|
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| PRK03918 | PRK03918 | DNA double-strand break repair ATPase Rad50; |
330-685 | 5.49e-13 | ||||||||
DNA double-strand break repair ATPase Rad50; Pssm-ID: 235175 [Multi-domain] Cd Length: 880 Bit Score: 73.17 E-value: 5.49e-13
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| SH3_9 | pfam14604 | Variant SH3 domain; |
747-797 | 7.71e-13 | ||||||||
Variant SH3 domain; Pssm-ID: 434066 [Multi-domain] Cd Length: 49 Bit Score: 63.79 E-value: 7.71e-13
|
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| Mplasa_alph_rch | TIGR04523 | helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of ... |
335-720 | 9.55e-13 | ||||||||
helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of Mycoplasma species. Members average 750 amino acids in length, including signal peptide. Sequences are predicted (Jpred 3) to be almost entirely alpha-helical. These sequences show strong periodicity (consistent with long alpha helical structures) and low complexity rich in D,E,N,Q, and K. Genes encoding these proteins are often found in tandem. The function is unknown. Pssm-ID: 275316 [Multi-domain] Cd Length: 745 Bit Score: 72.36 E-value: 9.55e-13
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
351-688 | 1.35e-12 | ||||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 72.48 E-value: 1.35e-12
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| SH3_CD2AP_3 | cd12056 | Third Src Homology 3 domain (SH3C) of CD2-associated protein; CD2AP, also called CMS (Cas ... |
744-796 | 1.55e-12 | ||||||||
Third Src Homology 3 domain (SH3C) of CD2-associated protein; CD2AP, also called CMS (Cas ligand with Multiple SH3 domains) or METS1 (Mesenchyme-to-Epithelium Transition protein with SH3 domains), is a cytosolic adaptor protein that plays a role in regulating the cytoskeleton. It is critical in cell-to-cell union necessary for kidney function. It also stabilizes the contact between a T cell and antigen-presenting cells. It is primarily expressed in podocytes at the cytoplasmic face of the slit diaphragm and serves as a linker anchoring podocin and nephrin to the actin cytoskeleton. CD2AP contains three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CD2AP to bind various protein partners and assemble complexes that have been implicated in many different functions. This alignment model represents the third SH3 domain (SH3C) of CD2AP. SH3C has been shown to bind ubiquitin. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212989 [Multi-domain] Cd Length: 57 Bit Score: 63.30 E-value: 1.55e-12
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| YhaN | COG4717 | Uncharacterized conserved protein YhaN, contains AAA domain [Function unknown]; |
335-686 | 1.66e-12 | ||||||||
Uncharacterized conserved protein YhaN, contains AAA domain [Function unknown]; Pssm-ID: 443752 [Multi-domain] Cd Length: 641 Bit Score: 71.34 E-value: 1.66e-12
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| SH3_PIX | cd11877 | Src Homology 3 domain of Pak Interactive eXchange factors; PIX proteins are Rho guanine ... |
745-797 | 2.05e-12 | ||||||||
Src Homology 3 domain of Pak Interactive eXchange factors; PIX proteins are Rho guanine nucleotide exchange factors (GEFs), which activate small GTPases by exchanging bound GDP for free GTP. They act as GEFs for both Cdc42 and Rac 1, and have been implicated in cell motility, adhesion, neurite outgrowth, and cell polarity. Vertebrates contain two proteins from the PIX subfamily, alpha-PIX and beta-PIX. Alpha-PIX, also called ARHGEF6, is localized in dendritic spines where it regulates spine morphogenesis. Mutations in the ARHGEF6 gene cause X-linked intellectual disability in humans. Beta-PIX play roles in regulating neuroendocrine exocytosis, focal adhesion maturation, cell migration, synaptic vesicle localization, and insulin secretion. PIX proteins contain an N-terminal SH3 domain followed by RhoGEF (also called Dbl-homologous or DH) and Pleckstrin Homology (PH) domains, and a C-terminal leucine-zipper domain for dimerization. The SH3 domain of PIX binds to an atypical PxxxPR motif in p21-activated kinases (PAKs) with high affinity. The binding of PAKs to PIX facilitate the localization of PAKs to focal complexes and also localizes PAKs to PIX targets Cdc43 and Rac, leading to the activation of PAKs. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212810 [Multi-domain] Cd Length: 53 Bit Score: 62.72 E-value: 2.05e-12
|
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| SMC_N | pfam02463 | RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The ... |
366-686 | 3.06e-12 | ||||||||
RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The SMC (structural maintenance of chromosomes) superfamily proteins have ATP-binding domains at the N- and C-termini, and two extended coiled-coil domains separated by a hinge in the middle. The eukaryotic SMC proteins form two kind of heterodimers: the SMC1/SMC3 and the SMC2/SMC4 types. These heterodimers constitute an essential part of higher order complexes, which are involved in chromatin and DNA dynamics. This family also includes the RecF and RecN proteins that are involved in DNA metabolism and recombination. Pssm-ID: 426784 [Multi-domain] Cd Length: 1161 Bit Score: 71.16 E-value: 3.06e-12
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
326-729 | 4.11e-12 | ||||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 70.94 E-value: 4.11e-12
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| SH3_D21-like | cd12142 | Src Homology 3 domain of SH3 domain-containing protein 21 (SH3D21) and similar proteins; ... |
744-797 | 4.46e-12 | ||||||||
Src Homology 3 domain of SH3 domain-containing protein 21 (SH3D21) and similar proteins; N-terminal SH3 domain of the uncharacterized protein SH3 domain-containing protein 21, and similar uncharacterized domains, it belongs to the CD2AP-like_3 subfamily of proteins. The CD2AP-like_3 subfamily is composed of the third SH3 domain (SH3C) of CD2AP, CIN85 (Cbl-interacting protein of 85 kDa), and similar domains. CD2AP and CIN85 are adaptor proteins that bind to protein partners and assemble complexes that have been implicated in T cell activation, kidney function, and apoptosis of neuronal cells. They also associate with endocytic proteins, actin cytoskeleton components, and other adaptor proteins involved in receptor tyrosine kinase (RTK) signaling. CD2AP and the main isoform of CIN85 contain three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CD2AP and CIN85 to bind various protein partners and assemble complexes that have been implicated in many different functions. SH3C of both proteins have been shown to bind to ubiquitin. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 213018 [Multi-domain] Cd Length: 55 Bit Score: 61.71 E-value: 4.46e-12
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| SMC_N | pfam02463 | RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The ... |
323-687 | 5.32e-12 | ||||||||
RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The SMC (structural maintenance of chromosomes) superfamily proteins have ATP-binding domains at the N- and C-termini, and two extended coiled-coil domains separated by a hinge in the middle. The eukaryotic SMC proteins form two kind of heterodimers: the SMC1/SMC3 and the SMC2/SMC4 types. These heterodimers constitute an essential part of higher order complexes, which are involved in chromatin and DNA dynamics. This family also includes the RecF and RecN proteins that are involved in DNA metabolism and recombination. Pssm-ID: 426784 [Multi-domain] Cd Length: 1161 Bit Score: 70.39 E-value: 5.32e-12
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| SH3_OSTF1 | cd11772 | Src Homology 3 domain of metazoan osteoclast stimulating factor 1; OSTF1, also named OSF or ... |
745-797 | 1.08e-11 | ||||||||
Src Homology 3 domain of metazoan osteoclast stimulating factor 1; OSTF1, also named OSF or SH3P2, is a signaling protein containing SH3 and ankyrin-repeat domains. It acts through a Src-related pathway to enhance the formation of osteoclasts and bone resorption. It also acts as a negative regulator of cell motility. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212706 [Multi-domain] Cd Length: 53 Bit Score: 60.78 E-value: 1.08e-11
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| SCP-1 | pfam05483 | Synaptonemal complex protein 1 (SCP-1); Synaptonemal complex protein 1 (SCP-1) is the major ... |
332-707 | 1.13e-11 | ||||||||
Synaptonemal complex protein 1 (SCP-1); Synaptonemal complex protein 1 (SCP-1) is the major component of the transverse filaments of the synaptonemal complex. Synaptonemal complexes are structures that are formed between homologous chromosomes during meiotic prophase. Pssm-ID: 114219 [Multi-domain] Cd Length: 787 Bit Score: 68.98 E-value: 1.13e-11
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| TPH | pfam13868 | Trichohyalin-plectin-homology domain; This family is a mixtrue of two different families of ... |
363-686 | 1.13e-11 | ||||||||
Trichohyalin-plectin-homology domain; This family is a mixtrue of two different families of eukaryotic proteins. Trichoplein or mitostatin, was first defined as a meiosis-specific nuclear structural protein. It has since been linked with mitochondrial movement. It is associated with the mitochondrial outer membrane, and over-expression leads to reduction in mitochondrial motility whereas lack of it enhances mitochondrial movement. The activity appears to be mediated through binding the mitochondria to the actin intermediate filaments (IFs). The family is in the trichohyalin-plectin-homology domain. Pssm-ID: 464007 [Multi-domain] Cd Length: 341 Bit Score: 67.25 E-value: 1.13e-11
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| SMC_N | pfam02463 | RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The ... |
327-659 | 2.09e-11 | ||||||||
RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The SMC (structural maintenance of chromosomes) superfamily proteins have ATP-binding domains at the N- and C-termini, and two extended coiled-coil domains separated by a hinge in the middle. The eukaryotic SMC proteins form two kind of heterodimers: the SMC1/SMC3 and the SMC2/SMC4 types. These heterodimers constitute an essential part of higher order complexes, which are involved in chromatin and DNA dynamics. This family also includes the RecF and RecN proteins that are involved in DNA metabolism and recombination. Pssm-ID: 426784 [Multi-domain] Cd Length: 1161 Bit Score: 68.46 E-value: 2.09e-11
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| DUF5401 | pfam17380 | Family of unknown function (DUF5401); This is a family of unknown function found in ... |
363-726 | 4.76e-11 | ||||||||
Family of unknown function (DUF5401); This is a family of unknown function found in Chromadorea. Pssm-ID: 375164 [Multi-domain] Cd Length: 722 Bit Score: 67.07 E-value: 4.76e-11
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| SH3_VAV1_2 | cd11976 | C-terminal (or second) Src homology 3 domain of VAV1 protein; VAV1 is expressed predominantly ... |
746-798 | 6.51e-11 | ||||||||
C-terminal (or second) Src homology 3 domain of VAV1 protein; VAV1 is expressed predominantly in the hematopoietic system and it plays an important role in the development and activation of B and T cells. It is activated by tyrosine phosphorylation to function as a guanine nucleotide exchange factor (GEF) for Rho GTPases following cell surface receptor activation, triggering various effects such as cytoskeletal reorganization, transcription regulation, cell cycle progression, and calcium mobilization. It also serves as a scaffold protein and has been shown to interact with Ku70, Socs1, Janus kinase 2, SIAH2, S100B, Abl gene, ZAP-70, SLP76, and Syk, among others. VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The C-terminal SH3 domain of Vav1 interacts with a wide variety of proteins including cytoskeletal regulators (zyxin), RNA-binding proteins (Sam68), transcriptional regulators, viral proteins, and dynamin 2. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212909 [Multi-domain] Cd Length: 54 Bit Score: 58.42 E-value: 6.51e-11
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| SH3_GRAF-like | cd11882 | Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase and similar ... |
746-797 | 7.87e-11 | ||||||||
Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase and similar proteins; This subfamily is composed of Rho GTPase activating proteins (GAPs) with similarity to GRAF. Members contain an N-terminal BAR domain, followed by a Pleckstrin homology (PH) domain, a Rho GAP domain, and a C-terminal SH3 domain. Although vertebrates harbor four Rho GAPs in the GRAF subfamily including GRAF, GRAF2, GRAF3, and Oligophrenin-1 (OPHN1), only three are included in this model. OPHN1 contains the BAR, PH and GAP domains, but not the C-terminal SH3 domain. GRAF and GRAF2 show GAP activity towards RhoA and Cdc42. GRAF influences Rho-mediated cytoskeletal rearrangements and binds focal adhesion kinase. GRAF2 regulates caspase-activated p21-activated protein kinase-2. The SH3 domain of GRAF and GRAF2 binds PKNbeta, a target of the small GTPase Rho. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212815 [Multi-domain] Cd Length: 54 Bit Score: 58.07 E-value: 7.87e-11
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
335-592 | 8.02e-11 | ||||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 66.50 E-value: 8.02e-11
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
331-683 | 1.48e-10 | ||||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 65.93 E-value: 1.48e-10
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| SMC_N | pfam02463 | RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The ... |
375-849 | 3.03e-10 | ||||||||
RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The SMC (structural maintenance of chromosomes) superfamily proteins have ATP-binding domains at the N- and C-termini, and two extended coiled-coil domains separated by a hinge in the middle. The eukaryotic SMC proteins form two kind of heterodimers: the SMC1/SMC3 and the SMC2/SMC4 types. These heterodimers constitute an essential part of higher order complexes, which are involved in chromatin and DNA dynamics. This family also includes the RecF and RecN proteins that are involved in DNA metabolism and recombination. Pssm-ID: 426784 [Multi-domain] Cd Length: 1161 Bit Score: 64.61 E-value: 3.03e-10
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| SMC_prok_A | TIGR02169 | chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of ... |
376-685 | 4.86e-10 | ||||||||
chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. It is found in a single copy and is homodimeric in prokaryotes, but six paralogs (excluded from this family) are found in eukarotes, where SMC proteins are heterodimeric. This family represents the SMC protein of archaea and a few bacteria (Aquifex, Synechocystis, etc); the SMC of other bacteria is described by TIGR02168. The N- and C-terminal domains of this protein are well conserved, but the central hinge region is skewed in composition and highly divergent. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274009 [Multi-domain] Cd Length: 1164 Bit Score: 63.93 E-value: 4.86e-10
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| SH3_CIN85_3 | cd12057 | Third Src Homology 3 domain (SH3C) of Cbl-interacting protein of 85 kDa; CIN85, also called ... |
744-797 | 5.30e-10 | ||||||||
Third Src Homology 3 domain (SH3C) of Cbl-interacting protein of 85 kDa; CIN85, also called SH3 domain-containing kinase-binding protein 1 (SH3KBP1) or CD2-binding protein 3 (CD2BP3) or Ruk, is an adaptor protein that is involved in the downregulation of receptor tyrosine kinases by facilitating endocytosis through interaction with endophilin-associated ubiquitin ligase Cbl proteins. It is also important in many other cellular processes including vesicle-mediated transport, cytoskeletal remodelling, apoptosis, cell adhesion and migration, and viral infection, among others. CIN85 exists as multiple variants from alternative splicing; the main variant contains three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CIN85 to bind various protein partners and assemble complexes that have been implicated in many different functions. This alignment model represents the third SH3 domain (SH3C) of CIN85. SH3C has been shown to bind ubiquitin. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212990 [Multi-domain] Cd Length: 56 Bit Score: 56.06 E-value: 5.30e-10
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| SH3_betaPIX | cd12061 | Src Homology 3 domain of beta-Pak Interactive eXchange factor; Beta-PIX, also called Rho ... |
746-799 | 5.83e-10 | ||||||||
Src Homology 3 domain of beta-Pak Interactive eXchange factor; Beta-PIX, also called Rho guanine nucleotide exchange factor 7 (ARHGEF7) or Cool (Cloned out of Library)-1, activates small GTPases by exchanging bound GDP for free GTP. It acts as a GEF for both Cdc42 and Rac 1, and plays important roles in regulating neuroendocrine exocytosis, focal adhesion maturation, cell migration, synaptic vesicle localization, and insulin secretion. PIX proteins contain an N-terminal SH3 domain followed by RhoGEF (also called Dbl-homologous or DH) and Pleckstrin Homology (PH) domains, and a C-terminal leucine-zipper domain for dimerization. The SH3 domain of PIX binds to an atypical PxxxPR motif in p21-activated kinases (PAKs) with high affinity. The binding of PAKs to PIX facilitate the localization of PAKs to focal complexes and also localizes PAKs to PIX targets Cdc43 and Rac, leading to the activation of PAKs. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212994 [Multi-domain] Cd Length: 54 Bit Score: 55.85 E-value: 5.83e-10
|
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| PRK03918 | PRK03918 | DNA double-strand break repair ATPase Rad50; |
334-685 | 6.20e-10 | ||||||||
DNA double-strand break repair ATPase Rad50; Pssm-ID: 235175 [Multi-domain] Cd Length: 880 Bit Score: 63.54 E-value: 6.20e-10
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| SH3_MyoIe_If_like | cd11827 | Src homology 3 domain of Myosins Ie, If, and similar proteins; Myosins Ie (MyoIe) and If ... |
746-798 | 6.25e-10 | ||||||||
Src homology 3 domain of Myosins Ie, If, and similar proteins; Myosins Ie (MyoIe) and If (MyoIf) are nonmuscle, unconventional, long tailed, class I myosins containing an N-terminal motor domain and a myosin tail with TH1, TH2, and SH3 domains. MyoIe interacts with the endocytic proteins, dynamin and synaptojanin-1, through its SH3 domain; it may play a role in clathrin-dependent endocytosis. In the kidney, MyoIe is critical for podocyte function and normal glomerular filtration. Mutations in MyoIe is associated with focal segmental glomerulosclerosis, a disease characterized by massive proteinuria and progression to end-stage kidney disease. MyoIf is predominantly expressed in the immune system; it plays a role in immune cell motility and innate immunity. Mutations in MyoIf may be associated with the loss of hearing. The MyoIf gene has also been found to be fused to the MLL (Mixed lineage leukemia) gene in infant acute myeloid leukemias (AML). SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212761 [Multi-domain] Cd Length: 53 Bit Score: 55.50 E-value: 6.25e-10
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| CwlO1 | COG3883 | Uncharacterized N-terminal coiled-coil domain of peptidoglycan hydrolase CwlO [Function ... |
460-793 | 7.07e-10 | ||||||||
Uncharacterized N-terminal coiled-coil domain of peptidoglycan hydrolase CwlO [Function unknown]; Pssm-ID: 443091 [Multi-domain] Cd Length: 379 Bit Score: 62.15 E-value: 7.07e-10
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| DUF5401 | pfam17380 | Family of unknown function (DUF5401); This is a family of unknown function found in ... |
351-685 | 7.79e-10 | ||||||||
Family of unknown function (DUF5401); This is a family of unknown function found in Chromadorea. Pssm-ID: 375164 [Multi-domain] Cd Length: 722 Bit Score: 62.83 E-value: 7.79e-10
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| SH3_Abi | cd11826 | Src homology 3 domain of Abl Interactor proteins; Abl interactor (Abi) proteins are adaptor ... |
741-797 | 8.89e-10 | ||||||||
Src homology 3 domain of Abl Interactor proteins; Abl interactor (Abi) proteins are adaptor proteins serving as binding partners and substrates of Abl tyrosine kinases. They are involved in regulating actin cytoskeletal reorganization and play important roles in membrane-ruffling, endocytosis, cell motility, and cell migration. They localize to sites of actin polymerization in epithelial adherens junction and immune synapses, as well as to the leading edge of lamellipodia. Vertebrates contain two Abi proteins, Abi1 and Abi2. Abi1 displays a wide expression pattern while Abi2 is highly expressed in the eye and brain. Abi proteins contain a homeobox homology domain, a proline-rich region, and a SH3 domain. The SH3 domain of Abi binds to a PxxP motif in Abl. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212760 [Multi-domain] Cd Length: 52 Bit Score: 55.02 E-value: 8.89e-10
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| SH3_Intersectin_5 | cd11840 | Fifth Src homology 3 domain (or SH3E) of Intersectin; Intersectins (ITSNs) are adaptor ... |
746-797 | 1.14e-09 | ||||||||
Fifth Src homology 3 domain (or SH3E) of Intersectin; Intersectins (ITSNs) are adaptor proteins that function in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. They are essential for initiating clathrin-coated pit formation. They bind to many proteins through their multidomain structure and facilitate the assembly of multimeric complexes. Vertebrates contain two ITSN proteins, ITSN1 and ITSN2, which exist in alternatively spliced short and long isoforms. The short isoforms contain two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoforms, in addition, contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. ITSN1 and ITSN2 are both widely expressed, with variations depending on tissue type and stage of development. The fifth SH3 domain (or SH3E) of ITSN1 has been shown to bind many protein partners including SGIP1, Sos1, dynamin1/2, CIN85, c-Cbl, SHIP2, N-WASP, and synaptojanin-1, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212774 [Multi-domain] Cd Length: 53 Bit Score: 54.73 E-value: 1.14e-09
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| SH3_Bzz1_2 | cd11778 | Second Src Homology 3 domain of Bzz1 and similar domains; Bzz1 (or Bzz1p) is a WASP ... |
744-795 | 1.35e-09 | ||||||||
Second Src Homology 3 domain of Bzz1 and similar domains; Bzz1 (or Bzz1p) is a WASP/Las17-interacting protein involved in endocytosis and trafficking to the vacuole. It physically interacts with type I myosins and functions in the early steps of endocytosis. Together with other proteins, it induces membrane scission in yeast. Bzz1 contains an N-terminal F-BAR (FES-CIP4 Homology and Bin/Amphiphysin/Rvs), a central coiled-coil, and two C-terminal SH3 domains. This model represents the second C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212712 [Multi-domain] Cd Length: 51 Bit Score: 54.43 E-value: 1.35e-09
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
336-686 | 1.48e-09 | ||||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 62.47 E-value: 1.48e-09
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| SH3_UBASH3 | cd11791 | Src homology 3 domain of Ubiquitin-associated and SH3 domain-containing proteins, also called ... |
745-798 | 1.85e-09 | ||||||||
Src homology 3 domain of Ubiquitin-associated and SH3 domain-containing proteins, also called TULA (T cell Ubiquitin LigAnd) family of proteins; UBASH3 or TULA proteins are also referred to as Suppressor of T cell receptor Signaling (STS) proteins. They contain an N-terminal UBA domain, a central SH3 domain, and a C-terminal histidine phosphatase domain. They bind c-Cbl through the SH3 domain and to ubiquitin via UBA. In some vertebrates, there are two TULA family proteins, called UBASH3A (also called TULA or STS-2) and UBASH3B (also called TULA-2 or STS-1), which show partly overlapping as well as distinct functions. UBASH3B is widely expressed while UBASH3A is only found in lymphoid cells. UBASH3A facilitates apoptosis induced in T cells through its interaction with the apoptosis-inducing factor AIF. UBASH3B is an active phosphatase while UBASH3A is not. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212725 [Multi-domain] Cd Length: 59 Bit Score: 54.61 E-value: 1.85e-09
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| SH3_PACSIN | cd11843 | Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons (PACSIN) ... |
746-797 | 2.09e-09 | ||||||||
Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons (PACSIN) proteins; PACSINs, also called Synaptic dynamin-associated proteins (Syndapins), act as regulators of cytoskeletal and membrane dynamics. They bind both dynamin and Wiskott-Aldrich syndrome protein (WASP), and may provide direct links between the actin cytoskeletal machinery through WASP and dynamin-dependent endocytosis. Vetebrates harbor three isoforms with distinct expression patterns and specific functions. PACSINs contain an N-terminal F-BAR domain and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212777 [Multi-domain] Cd Length: 53 Bit Score: 53.96 E-value: 2.09e-09
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| Caldesmon | pfam02029 | Caldesmon; |
387-686 | 2.79e-09 | ||||||||
Caldesmon; Pssm-ID: 460421 [Multi-domain] Cd Length: 495 Bit Score: 60.65 E-value: 2.79e-09
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| Caldesmon | pfam02029 | Caldesmon; |
379-686 | 3.31e-09 | ||||||||
Caldesmon; Pssm-ID: 460421 [Multi-domain] Cd Length: 495 Bit Score: 60.65 E-value: 3.31e-09
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| SMC_prok_A | TIGR02169 | chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of ... |
331-653 | 3.33e-09 | ||||||||
chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. It is found in a single copy and is homodimeric in prokaryotes, but six paralogs (excluded from this family) are found in eukarotes, where SMC proteins are heterodimeric. This family represents the SMC protein of archaea and a few bacteria (Aquifex, Synechocystis, etc); the SMC of other bacteria is described by TIGR02168. The N- and C-terminal domains of this protein are well conserved, but the central hinge region is skewed in composition and highly divergent. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274009 [Multi-domain] Cd Length: 1164 Bit Score: 61.24 E-value: 3.33e-09
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| SH3_SNX9_like | cd11763 | Src Homology 3 domain of Sorting Nexin 9 and similar proteins; Sorting nexins (SNXs) are Phox ... |
744-797 | 3.34e-09 | ||||||||
Src Homology 3 domain of Sorting Nexin 9 and similar proteins; Sorting nexins (SNXs) are Phox homology (PX) domain containing proteins that are involved in regulating membrane traffic and protein sorting in the endosomal system. SNXs differ from each other in their lipid-binding specificity, subcellular localization and specific function in the endocytic pathway. This subfamily consists of SH3 domain containing SNXs including SNX9, SNX18, SNX33, and similar proteins. SNX9 is localized to plasma membrane endocytic sites and acts primarily in clathrin-mediated endocytosis, while SNX18 is localized to peripheral endosomal structures, and acts in a trafficking pathway that is clathrin-independent but relies on AP-1 and PACS1. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212697 [Multi-domain] Cd Length: 55 Bit Score: 53.48 E-value: 3.34e-09
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| SH3_alphaPIX | cd12060 | Src Homology 3 domain of alpha-Pak Interactive eXchange factor; Alpha-PIX, also called Rho ... |
746-799 | 3.50e-09 | ||||||||
Src Homology 3 domain of alpha-Pak Interactive eXchange factor; Alpha-PIX, also called Rho guanine nucleotide exchange factor 6 (ARHGEF6) or Cool (Cloned out of Library)-2, activates small GTPases by exchanging bound GDP for free GTP. It acts as a GEF for both Cdc42 and Rac 1, and is localized in dendritic spines where it regulates spine morphogenesis. It controls dendritic length and spine density in the hippocampus. Mutations in the ARHGEF6 gene cause X-linked intellectual disability in humans. PIX proteins contain an N-terminal SH3 domain followed by RhoGEF (also called Dbl-homologous or DH) and Pleckstrin Homology (PH) domains, and a C-terminal leucine-zipper domain for dimerization. The SH3 domain of PIX binds to an atypical PxxxPR motif in p21-activated kinases (PAKs) with high affinity. The binding of PAKs to PIX facilitate the localization of PAKs to focal complexes and also localizes PAKs to PIX targets Cdc43 and Rac, leading to the activation of PAKs. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212993 Cd Length: 58 Bit Score: 53.85 E-value: 3.50e-09
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| SH3_CD2AP-like_1 | cd11873 | First Src Homology 3 domain (SH3A) of CD2-associated protein and similar proteins; This ... |
745-798 | 5.15e-09 | ||||||||
First Src Homology 3 domain (SH3A) of CD2-associated protein and similar proteins; This subfamily is composed of the first SH3 domain (SH3A) of CD2AP, CIN85 (Cbl-interacting protein of 85 kDa), and similar domains. CD2AP and CIN85 are adaptor proteins that bind to protein partners and assemble complexes that have been implicated in T cell activation, kidney function, and apoptosis of neuronal cells. They also associate with endocytic proteins, actin cytoskeleton components, and other adaptor proteins involved in receptor tyrosine kinase (RTK) signaling. CD2AP and the main isoform of CIN85 contain three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CD2AP and CIN85 to bind various protein partners and assemble complexes that have been implicated in many different functions. SH3A of both proteins bind to an atypical PXXXPR motif at the C-terminus of Cbl and the cytoplasmic domain of the cell adhesion protein CD2. CIN85 SH3A binds to internal proline-rich motifs within the proline-rich region; this intramolecular interaction serves as a regulatory mechanism to keep CIN85 in a closed conformation, preventing the recruitment of other proteins. CIN85 SH3A has also been shown to bind ubiquitin. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212806 [Multi-domain] Cd Length: 53 Bit Score: 53.04 E-value: 5.15e-09
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| SH3_MLK4 | cd12058 | Src Homology 3 domain of Mixed Lineage Kinase 4; MLK4 is a Serine/Threonine Kinase (STK), ... |
745-795 | 5.15e-09 | ||||||||
Src Homology 3 domain of Mixed Lineage Kinase 4; MLK4 is a Serine/Threonine Kinase (STK), catalyzing the transfer of the gamma-phosphoryl group from ATP to S/T residues on protein substrates. MLKs act as mitogen-activated protein kinase kinase kinases (MAP3Ks, MKKKs, MAPKKKs), which phosphorylate and activate MAPK kinases (MAPKKs or MKKs or MAP2Ks), which in turn phosphorylate and activate MAPKs during signaling cascades that are important in mediating cellular responses to extracellular signals. MLKs play roles in immunity and inflammation, as well as in cell death, proliferation, and cell cycle regulation. The specific function of MLK4 is yet to be determined. Mutations in the kinase domain of MLK4 have been detected in colorectal cancers. MLK4 contains an SH3 domain, a catalytic kinase domain, a leucine zipper, a proline-rich region, and a CRIB domain that mediates binding to GTP-bound Cdc42 and Rac. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212991 [Multi-domain] Cd Length: 58 Bit Score: 53.02 E-value: 5.15e-09
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| sbcc | TIGR00618 | exonuclease SbcC; All proteins in this family for which functions are known are part of an ... |
338-713 | 6.62e-09 | ||||||||
exonuclease SbcC; All proteins in this family for which functions are known are part of an exonuclease complex with sbcD homologs. This complex is involved in the initiation of recombination to regulate the levels of palindromic sequences in DNA. This family is based on the phylogenomic analysis of JA Eisen (1999, Ph.D. Thesis, Stanford University). [DNA metabolism, DNA replication, recombination, and repair] Pssm-ID: 129705 [Multi-domain] Cd Length: 1042 Bit Score: 59.98 E-value: 6.62e-09
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| DUF4670 | pfam15709 | Domain of unknown function (DUF4670); This family of proteins is found in eukaryotes. Proteins ... |
330-517 | 8.40e-09 | ||||||||
Domain of unknown function (DUF4670); This family of proteins is found in eukaryotes. Proteins in this family are typically between 373 and 763 amino acids in length. Pssm-ID: 464815 [Multi-domain] Cd Length: 522 Bit Score: 59.19 E-value: 8.40e-09
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| SH3_VAV_2 | cd11830 | C-terminal (or second) Src homology 3 domain of VAV proteins; VAV proteins function both as ... |
747-798 | 8.47e-09 | ||||||||
C-terminal (or second) Src homology 3 domain of VAV proteins; VAV proteins function both as cytoplasmic guanine nucleotide exchange factors (GEFs) for Rho GTPases and scaffold proteins and they play important roles in cell signaling by coupling cell surface receptors to various effector functions. They play key roles in processes that require cytoskeletal reorganization including immune synapse formation, phagocytosis, cell spreading, and platelet aggregation, among others. Vertebrates have three VAV proteins (VAV1, VAV2, and VAV3). VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The SH3 domain of VAV is involved in the localization of proteins to specific sites within the cell, by interacting with proline-rich sequences within target proteins. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212764 [Multi-domain] Cd Length: 54 Bit Score: 52.63 E-value: 8.47e-09
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| EnvC | COG4942 | Septal ring factor EnvC, activator of murein hydrolases AmiA and AmiB [Cell cycle control, ... |
436-653 | 8.47e-09 | ||||||||
Septal ring factor EnvC, activator of murein hydrolases AmiA and AmiB [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 443969 [Multi-domain] Cd Length: 377 Bit Score: 58.62 E-value: 8.47e-09
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| SH3_Cortactin | cd11959 | Src homology 3 domain of Cortactin; Cortactin was originally identified as a substrate of Src ... |
747-797 | 9.20e-09 | ||||||||
Src homology 3 domain of Cortactin; Cortactin was originally identified as a substrate of Src kinase. It is an actin regulatory protein that binds to the Arp2/3 complex and stabilizes branched actin filaments. It is involved in cellular processes that affect cell motility, adhesion, migration, endocytosis, and invasion. It is expressed ubiquitously except in hematopoietic cells, where the homolog hematopoietic lineage cell-specific 1 (HS1) is expressed instead. Cortactin contains an N-terminal acidic domain, several copies of a repeat domain found in cortactin and HS1, a proline-rich region, and a C-terminal SH3 domain. The N-terminal region interacts with the Arp2/3 complex and F-actin, and is crucial in regulating branched actin assembly. Cortactin also serves as a scaffold and provides a bridge to the actin cytoskeleton for membrane trafficking and signaling proteins that bind to its SH3 domain. Binding partners for the SH3 domain of cortactin include dynamin2, N-WASp, MIM, FGD1, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212892 [Multi-domain] Cd Length: 53 Bit Score: 52.42 E-value: 9.20e-09
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| SH3_Eve1_5 | cd11818 | Fifth Src homology 3 domain of ADAM-binding protein Eve-1; Eve-1, also called SH3 ... |
746-795 | 1.04e-08 | ||||||||
Fifth Src homology 3 domain of ADAM-binding protein Eve-1; Eve-1, also called SH3 domain-containing protein 19 (SH3D19) or EEN-binding protein (EBP), exists in multiple alternatively spliced isoforms. The longest isoform contains five SH3 domain in the C-terminal region and seven proline-rich motifs in the N-terminal region. It is abundantly expressed in skeletal muscle and heart, and may be involved in regulating the activity of ADAMs (A disintegrin and metalloproteases). Eve-1 interacts with EEN, an endophilin involved in endocytosis and may be the target of the MLL-EEN fusion protein that is implicated in leukemogenesis. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212752 [Multi-domain] Cd Length: 50 Bit Score: 52.10 E-value: 1.04e-08
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| SH3_1 | pfam00018 | SH3 domain; SH3 (Src homology 3) domains are often indicative of a protein involved in signal ... |
746-793 | 1.21e-08 | ||||||||
SH3 domain; SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organization. First described in the Src cytoplasmic tyrosine kinase. The structure is a partly opened beta barrel. Pssm-ID: 394975 [Multi-domain] Cd Length: 47 Bit Score: 51.82 E-value: 1.21e-08
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| SH3_MLK1-3 | cd12059 | Src Homology 3 domain of Mixed Lineage Kinases 1, 2, and 3; MLKs 1, 2, and 3 are Serine ... |
744-795 | 1.21e-08 | ||||||||
Src Homology 3 domain of Mixed Lineage Kinases 1, 2, and 3; MLKs 1, 2, and 3 are Serine/Threonine Kinases (STKs), catalyzing the transfer of the gamma-phosphoryl group from ATP to S/T residues on protein substrates. MLKs act as mitogen-activated protein kinase kinase kinases (MAP3Ks, MKKKs, MAPKKKs), which phosphorylate and activate MAPK kinases (MAPKKs or MKKs or MAP2Ks), which in turn phosphorylate and activate MAPKs during signaling cascades that are important in mediating cellular responses to extracellular signals. MLKs play roles in immunity and inflammation, as well as in cell death, proliferation, and cell cycle regulation. Little is known about the specific function of MLK1, also called MAP3K9. It is capable of activating the c-Jun N-terminal kinase pathway. Mice lacking both MLK1 and MLK2 are viable, fertile, and have normal life spans. MLK2, also called MAP3K10, is abundant in brain, skeletal muscle, and testis. It functions upstream of the MAPK, c-Jun N-terminal kinase. It binds hippocalcin, a calcium-sensor protein that protects neurons against calcium-induced cell death. Both MLK2 and hippocalcin may be associated with the pathogenesis of Parkinson's disease. MLK3, also called MAP3K11, is highly expressed in breast cancer cells and its signaling through c-Jun N-terminal kinase has been implicated in the migration, invasion, and malignancy of cancer cells. It also functions as a negative regulator of Inhibitor of Nuclear Factor-KappaB Kinase (IKK) and thus, impacts inflammation and immunity. MLKs contain an SH3 domain, a catalytic kinase domain, a leucine zipper, a proline-rich region, and a CRIB domain that mediates binding to GTP-bound Cdc42 and Rac. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212992 [Multi-domain] Cd Length: 58 Bit Score: 52.08 E-value: 1.21e-08
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| Mplasa_alph_rch | TIGR04523 | helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of ... |
335-687 | 1.77e-08 | ||||||||
helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of Mycoplasma species. Members average 750 amino acids in length, including signal peptide. Sequences are predicted (Jpred 3) to be almost entirely alpha-helical. These sequences show strong periodicity (consistent with long alpha helical structures) and low complexity rich in D,E,N,Q, and K. Genes encoding these proteins are often found in tandem. The function is unknown. Pssm-ID: 275316 [Multi-domain] Cd Length: 745 Bit Score: 58.49 E-value: 1.77e-08
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| SH3_Nck_2 | cd11766 | Second Src Homology 3 domain of Nck adaptor proteins; Nck adaptor proteins regulate actin ... |
745-798 | 2.54e-08 | ||||||||
Second Src Homology 3 domain of Nck adaptor proteins; Nck adaptor proteins regulate actin cytoskeleton dynamics by linking proline-rich effector molecules to protein tyrosine kinases and phosphorylated signaling intermediates. They contain three SH3 domains and a C-terminal SH2 domain. They function downstream of the PDGFbeta receptor and are involved in Rho GTPase signaling and actin dynamics. Vertebrates contain two Nck adaptor proteins: Nck1 (also called Nckalpha) and Nck2 (also called Nckbeta or Growth factor receptor-bound protein 4, Grb4), which show partly overlapping functions but also bind distinct targets. Their SH3 domains are involved in recruiting downstream effector molecules, such as the N-WASP/Arp2/3 complex, which when activated induces actin polymerization that results in the production of pedestals, or protrusions of the plasma membrane. The second SH3 domain of Nck appears to prefer ligands containing the APxxPxR motif. SH3 domains are protein interaction domains that usually bind to proline-rich ligands with moderate affinity and selectivity, preferentially a PxxP motif. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212700 [Multi-domain] Cd Length: 53 Bit Score: 51.11 E-value: 2.54e-08
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| SH3_VAV2_2 | cd11977 | C-terminal (or second) Src homology 3 domain of VAV2 protein; VAV2 is widely expressed and ... |
747-798 | 2.57e-08 | ||||||||
C-terminal (or second) Src homology 3 domain of VAV2 protein; VAV2 is widely expressed and functions as a guanine nucleotide exchange factor (GEF) for RhoA, RhoB and RhoG and also activates Rac1 and Cdc42. It is implicated in many cellular and physiological functions including blood pressure control, eye development, neurite outgrowth and branching, EGFR endocytosis and degradation, and cell cluster morphology, among others. It has been reported to associate with Nek3. VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The SH3 domain of VAV is involved in the localization of proteins to specific sites within the cell, by interacting with proline-rich sequences within target proteins. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212910 [Multi-domain] Cd Length: 58 Bit Score: 51.17 E-value: 2.57e-08
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| SH3_ephexin1_like | cd11793 | Src homology 3 domain of ephexin-1-like SH3 domain containing Rho guanine nucleotide exchange ... |
747-797 | 2.57e-08 | ||||||||
Src homology 3 domain of ephexin-1-like SH3 domain containing Rho guanine nucleotide exchange factors; Members of this family contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), and C-terminal SH3 domains. They include the Rho guanine nucleotide exchange factors ARHGEF5, ARHGEF16, ARHGEF19, ARHGEF26, ARHGEF27 (also called ephexin-1), and similar proteins, and are also called ephexins because they interact directly with ephrin A receptors. GEFs interact with Rho GTPases via their DH domains to catalyze nucleotide exchange by stabilizing the nucleotide-free GTPase intermediate. They play important roles in neuronal development. The SH3 domains of ARHGEFs play an autoinhibitory role through intramolecular interactions with a proline-rich region N-terminal to the DH domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212727 [Multi-domain] Cd Length: 55 Bit Score: 51.18 E-value: 2.57e-08
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| SH3_p47phox_like | cd11856 | Src homology 3 domains of the p47phox subunit of NADPH oxidase and similar domains; This ... |
745-798 | 2.80e-08 | ||||||||
Src homology 3 domains of the p47phox subunit of NADPH oxidase and similar domains; This family is composed of the tandem SH3 domains of p47phox subunit of NADPH oxidase and Nox Organizing protein 1 (NoxO1), the four SH3 domains of Tks4 (Tyr kinase substrate with four SH3 domains), the five SH3 domains of Tks5, the SH3 domain of obscurin, Myosin-I, and similar domains. Most members of this group also contain Phox homology (PX) domains, except for obscurin and Myosin-I. p47phox and NoxO1 are regulators of the phagocytic NADPH oxidase complex (also called Nox2 or gp91phox) and nonphagocytic NADPH oxidase Nox1, respectively. They play roles in the activation of their respective NADPH oxidase, which catalyzes the transfer of electrons from NADPH to molecular oxygen to form superoxide. Tks proteins are Src substrates and scaffolding proteins that play important roles in the formation of podosomes and invadopodia, the dynamic actin-rich structures that are related to cell migration and cancer cell invasion. Obscurin is a giant muscle protein that plays important roles in the organization and assembly of the myofibril and the sarcoplasmic reticulum. Type I myosins (Myosin-I) are actin-dependent motors in endocytic actin structures and actin patches. They play roles in membrane traffic in endocytic and secretory pathways, cell motility, and mechanosensing. Myosin-I contains an N-terminal actin-activated ATPase, a phospholipid-binding TH1 (tail homology 1) domain, and a C-terminal extension which includes an F-actin-binding TH2 domain, an SH3 domain, and an acidic peptide that participates in activating the Arp2/3complex. The SH3 domain of myosin-I is required for myosin-I-induced actin polymerization. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212790 [Multi-domain] Cd Length: 53 Bit Score: 51.10 E-value: 2.80e-08
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| SH3_Endophilin_A | cd11803 | Src homology 3 domain of Endophilin-A; Endophilins play roles in synaptic vesicle formation, ... |
745-797 | 3.30e-08 | ||||||||
Src homology 3 domain of Endophilin-A; Endophilins play roles in synaptic vesicle formation, virus budding, mitochondrial morphology maintenance, receptor-mediated endocytosis inhibition, and endosomal sorting. They are classified into two types, A and B. Vertebrates contain three endophilin-A isoforms (A1, A2, and A3). Endophilin-A proteins are enriched in the brain and play multiple roles in receptor-mediated endocytosis. They tubulate membranes and regulate calcium influx into neurons to trigger the activation of the endocytic machinery. They are also involved in the sorting of plasma membrane proteins, actin filament assembly, and the uncoating of clathrin-coated vesicles for fusion with endosomes. Endophilins contain an N-terminal N-BAR domain (BAR domain with an additional N-terminal amphipathic helix), followed by a variable region containing proline clusters, and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212737 [Multi-domain] Cd Length: 55 Bit Score: 50.72 E-value: 3.30e-08
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| SH3_VAV3_2 | cd11978 | C-terminal (or second) Src homology 3 domain of VAV3 protein; VAV3 is ubiquitously expressed ... |
747-798 | 3.94e-08 | ||||||||
C-terminal (or second) Src homology 3 domain of VAV3 protein; VAV3 is ubiquitously expressed and functions as a phosphorylation-dependent guanine nucleotide exchange factor (GEF) for RhoA, RhoG, and Rac1. It has been implicated to function in the hematopoietic, bone, cerebellar, and cardiovascular systems. VAV3 is essential in axon guidance in neurons that control blood pressure and respiration. It is overexpressed in prostate cancer cells and it plays a role in regulating androgen receptor transcriptional activity. VAV proteins contain several domains that enable their function: N-terminal calponin homology (CH), acidic, RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), C1 (zinc finger), SH2, and two SH3 domains. The SH3 domain of VAV is involved in the localization of proteins to specific sites within the cell, by interacting with proline-rich sequences within target proteins. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212911 [Multi-domain] Cd Length: 56 Bit Score: 50.79 E-value: 3.94e-08
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| SH3_Intersectin_3 | cd11838 | Third Src homology 3 domain (or SH3C) of Intersectin; Intersectins (ITSNs) are adaptor ... |
744-798 | 4.31e-08 | ||||||||
Third Src homology 3 domain (or SH3C) of Intersectin; Intersectins (ITSNs) are adaptor proteins that function in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. They are essential for initiating clathrin-coated pit formation. They bind to many proteins through their multidomain structure and facilitate the assembly of multimeric complexes. Vertebrates contain two ITSN proteins, ITSN1 and ITSN2, which exist in alternatively spliced short and long isoforms. The short isoforms contain two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoforms, in addition, contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. ITSN1 and ITSN2 are both widely expressed, with variations depending on tissue type and stage of development. The third SH3 domain (or SH3C) of ITSN1 has been shown to bind many proteins including dynamin1/2, CIN85, c-Cbl, SHIP2, Reps1, synaptojanin-1, and WNK, among others. The SH3C of ITSN2 has been shown to bind the K15 protein of Kaposi's sarcoma-associated herpesvirus. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212772 [Multi-domain] Cd Length: 52 Bit Score: 50.49 E-value: 4.31e-08
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| SH3_Amphiphysin | cd11790 | Src Homology 3 domain of Amphiphysin and related domains; Amphiphysins function primarily in ... |
746-799 | 5.94e-08 | ||||||||
Src Homology 3 domain of Amphiphysin and related domains; Amphiphysins function primarily in endocytosis and other membrane remodeling events. They exist in several isoforms and mammals possess two amphiphysin proteins from distinct genes. Amphiphysin I proteins, enriched in the brain and nervous system, contain domains that bind clathrin, Adaptor Protein complex 2 (AP2), dynamin, and synaptojanin. They function in synaptic vesicle endocytosis. Human autoantibodies to amphiphysin I hinder GABAergic signaling and contribute to the pathogenesis of paraneoplastic stiff-person syndrome. Some amphiphysin II isoforms, also called Bridging integrator 1 (Bin1), are localized in many different tissues and may function in intracellular vesicle trafficking. In skeletal muscle, Bin1 plays a role in the organization and maintenance of the T-tubule network. Mutations in Bin1 are associated with autosomal recessive centronuclear myopathy. Amphiphysins contain an N-terminal BAR domain with an additional N-terminal amphipathic helix (an N-BAR), a variable central domain, and a C-terminal SH3 domain. The SH3 domain of amphiphysins bind proline-rich motifs present in binding partners such as dynamin, synaptojanin, and nsP3. It also belongs to a subset of SH3 domains that bind ubiquitin in a site that overlaps with the peptide binding site. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212724 [Multi-domain] Cd Length: 64 Bit Score: 50.40 E-value: 5.94e-08
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| SH3_GAS7 | cd11829 | Src homology 3 domain of Growth Arrest Specific protein 7; GAS7 is mainly expressed in the ... |
746-795 | 6.19e-08 | ||||||||
Src homology 3 domain of Growth Arrest Specific protein 7; GAS7 is mainly expressed in the brain and is required for neurite outgrowth. It may also play a role in the protection and migration of embryonic stem cells. Treatment-related acute myeloid leukemia (AML) has been reported resulting from mixed-lineage leukemia (MLL)-GAS7 translocations as a complication of primary cancer treatment. GAS7 contains an N-terminal SH3 domain, followed by a WW domain, and a central F-BAR domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212763 [Multi-domain] Cd Length: 52 Bit Score: 49.82 E-value: 6.19e-08
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| SH3_MLK | cd11876 | Src Homology 3 domain of Mixed Lineage Kinases; MLKs are Serine/Threonine Kinases (STKs), ... |
747-795 | 6.23e-08 | ||||||||
Src Homology 3 domain of Mixed Lineage Kinases; MLKs are Serine/Threonine Kinases (STKs), catalyzing the transfer of the gamma-phosphoryl group from ATP to S/T residues on protein substrates. MLKs act as mitogen-activated protein kinase kinase kinases (MAP3Ks, MKKKs, MAPKKKs), which phosphorylate and activate MAPK kinases (MAPKKs or MKKs or MAP2Ks), which in turn phosphorylate and activate MAPKs during signaling cascades that are important in mediating cellular responses to extracellular signals. MLKs play roles in immunity and inflammation, as well as in cell death, proliferation, and cell cycle regulation. Mammals have four MLKs (MLK1-4), mostly conserved in vertebrates, which contain an SH3 domain, a catalytic kinase domain, a leucine zipper, a proline-rich region, and a CRIB domain that mediates binding to GTP-bound Cdc42 and Rac. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212809 [Multi-domain] Cd Length: 58 Bit Score: 50.20 E-value: 6.23e-08
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| SH3_Intersectin_4 | cd11839 | Fourth Src homology 3 domain (or SH3D) of Intersectin; Intersectins (ITSNs) are adaptor ... |
746-798 | 6.76e-08 | ||||||||
Fourth Src homology 3 domain (or SH3D) of Intersectin; Intersectins (ITSNs) are adaptor proteins that function in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. They are essential for initiating clathrin-coated pit formation. They bind to many proteins through their multidomain structure and facilitate the assembly of multimeric complexes. Vertebrates contain two ITSN proteins, ITSN1 and ITSN2, which exist in alternatively spliced short and long isoforms. The short isoforms contain two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoforms, in addition, contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. ITSN1 and ITSN2 are both widely expressed, with variations depending on tissue type and stage of development. The fourth SH3 domain (or SH3D) of ITSN1 has been shown to bind SHIP2, Numb, CdGAP, and N-WASP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212773 [Multi-domain] Cd Length: 58 Bit Score: 50.03 E-value: 6.76e-08
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| SH3_Nebulin_family_C | cd11789 | C-terminal Src Homology 3 domain of the Nebulin family of proteins; Nebulin family proteins ... |
745-798 | 6.94e-08 | ||||||||
C-terminal Src Homology 3 domain of the Nebulin family of proteins; Nebulin family proteins contain multiple nebulin repeats, and may contain an N-terminal LIM domain and/or a C-terminal SH3 domain. They have molecular weights ranging from 34 to 900 kD, depending on the number of nebulin repeats, and they all bind actin. They are involved in the regulation of actin filament architecture and function as stabilizers and scaffolds for cytoskeletal structures with which they associate, such as long actin filaments or focal adhesions. Nebulin family proteins that contain a C-terminal SH3 domain include the giant filamentous protein nebulin, nebulette, Lasp1, and Lasp2. Lasp2, also called LIM-nebulette, is an alternatively spliced variant of nebulette. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212723 [Multi-domain] Cd Length: 55 Bit Score: 50.01 E-value: 6.94e-08
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| SH3_Lasp1_C | cd11934 | C-terminal Src Homology 3 domain of LIM and SH3 domain protein 1; Lasp1 is a cytoplasmic ... |
745-799 | 7.02e-08 | ||||||||
C-terminal Src Homology 3 domain of LIM and SH3 domain protein 1; Lasp1 is a cytoplasmic protein that binds focal adhesion proteins and is involved in cell signaling, migration, and proliferation. It is overexpressed in several cancer cells including breast, ovarian, bladder, and liver. In cancer cells, it can be found in the nucleus; its degree of nuclear localization correlates with tumor size and poor prognosis. Lasp1 is a 36kD protein containing an N-terminal LIM domain, two nebulin repeats, and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212867 [Multi-domain] Cd Length: 59 Bit Score: 50.00 E-value: 7.02e-08
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| SH3_Tks4_2 | cd12076 | Second Src homology 3 domain of Tyrosine kinase substrate with four SH3 domains; Tks4, also ... |
745-798 | 7.62e-08 | ||||||||
Second Src homology 3 domain of Tyrosine kinase substrate with four SH3 domains; Tks4, also called SH3 and PX domain-containing protein 2B (SH3PXD2B) or HOFI, is a Src substrate and scaffolding protein that plays an important role in the formation of podosomes and invadopodia, the dynamic actin-rich structures that are related to cell migration and cancer cell invasion. It is required in the formation of functional podosomes, EGF-induced membrane ruffling, and lamellipodia generation. It plays an important role in cellular attachment and cell spreading. Tks4 is essential for the localization of MT1-MMP (membrane-type 1 matrix metalloproteinase) to invadopodia. It contains an N-terminal Phox homology (PX) domain and four SH3 domains. This model characterizes the second SH3 domain of Tks4. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 213009 [Multi-domain] Cd Length: 54 Bit Score: 49.65 E-value: 7.62e-08
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| SH3_Cortactin_like | cd11819 | Src homology 3 domain of Cortactin and related proteins; This subfamily includes cortactin, ... |
746-797 | 7.86e-08 | ||||||||
Src homology 3 domain of Cortactin and related proteins; This subfamily includes cortactin, Abp1 (actin-binding protein 1), hematopoietic lineage cell-specific protein 1 (HS1), and similar proteins. These proteins are involved in regulating actin dynamics through direct or indirect interaction with the Arp2/3 complex, which is required to initiate actin polymerization. They all contain at least one C-terminal SH3 domain. Cortactin and HS1 bind Arp2/3 and actin through an N-terminal region that contains an acidic domain and several copies of a repeat domain found in cortactin and HS1. Abp1 binds actin via an N-terminal actin-depolymerizing factor (ADF) homology domain. Yeast Abp1 binds Arp2/3 directly through two acidic domains. Mammalian Abp1 does not directly interact with Arp2/3; instead, it regulates actin dynamics indirectly by interacting with dynamin and WASP family proteins. The C-terminal region of these proteins acts as an adaptor or scaffold that can connect membrane trafficking and signaling proteins that bind the SH3 domain within the actin network. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212753 [Multi-domain] Cd Length: 54 Bit Score: 49.62 E-value: 7.86e-08
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| SH3_HS1 | cd12073 | Src homology 3 domain of Hematopoietic lineage cell-specific protein 1; HS1, also called HCLS1 ... |
747-797 | 7.91e-08 | ||||||||
Src homology 3 domain of Hematopoietic lineage cell-specific protein 1; HS1, also called HCLS1 (hematopoietic cell-specific Lyn substrate 1), is a cortactin homolog expressed specifically in hematopoietic cells. It is an actin regulatory protein that binds the Arp2/3 complex and stabilizes branched actin filaments. It is required for cell spreading and signaling in lymphocytes. It regulates cytoskeletal remodeling that controls lymphocyte trafficking, and it also affects tissue invasion and infiltration of leukemic B cells. Like cortactin, HS1 contains an N-terminal acidic domain, several copies of a repeat domain found in cortactin and HS1, a proline-rich region, and a C-terminal SH3 domain. The N-terminal region binds the Arp2/3 complex and F-actin, while the C-terminal region acts as an adaptor or scaffold that can connect varied proteins that bind the SH3 domain within the actin network. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 213006 [Multi-domain] Cd Length: 55 Bit Score: 49.83 E-value: 7.91e-08
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| SH3_GRB2_like_C | cd11805 | C-terminal Src homology 3 domain of Growth factor receptor-bound protein 2 (GRB2) and related ... |
746-798 | 8.78e-08 | ||||||||
C-terminal Src homology 3 domain of Growth factor receptor-bound protein 2 (GRB2) and related proteins; This family includes the adaptor protein GRB2 and related proteins including Drosophila melanogaster Downstream of receptor kinase (DRK), Caenorhabditis elegans Sex muscle abnormal protein 5 (Sem-5), GRB2-related adaptor protein (GRAP), GRAP2, and similar proteins. Family members contain an N-terminal SH3 domain, a central SH2 domain, and a C-terminal SH3 domain. GRB2/Sem-5/DRK is a critical signaling molecule that regulates the Ras pathway by linking tyrosine kinases to the Ras guanine nucleotide releasing protein Sos (son of sevenless), which converts Ras to the active GTP-bound state. GRAP2 plays an important role in T cell receptor (TCR) signaling by promoting the formation of the SLP-76:LAT complex, which couples the TCR to the Ras pathway. GRAP acts as a negative regulator of T cell receptor (TCR)-induced lymphocyte proliferation by downregulating the signaling to the Ras/ERK pathway. The C-terminal SH3 domains (SH3c) of GRB2 and GRAP2 have been shown to bind to classical PxxP motif ligands, as well as to non-classical motifs. GRB2 SH3c binds Gab2 (Grb2-associated binder 2) through epitopes containing RxxK motifs, while the SH3c of GRAP2 binds to the phosphatase-like protein HD-PTP via a RxxxxK motif. SH3 domains are protein interaction domains that typically bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212739 [Multi-domain] Cd Length: 53 Bit Score: 49.55 E-value: 8.78e-08
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| TPH | pfam13868 | Trichohyalin-plectin-homology domain; This family is a mixtrue of two different families of ... |
338-683 | 9.39e-08 | ||||||||
Trichohyalin-plectin-homology domain; This family is a mixtrue of two different families of eukaryotic proteins. Trichoplein or mitostatin, was first defined as a meiosis-specific nuclear structural protein. It has since been linked with mitochondrial movement. It is associated with the mitochondrial outer membrane, and over-expression leads to reduction in mitochondrial motility whereas lack of it enhances mitochondrial movement. The activity appears to be mediated through binding the mitochondria to the actin intermediate filaments (IFs). The family is in the trichohyalin-plectin-homology domain. Pssm-ID: 464007 [Multi-domain] Cd Length: 341 Bit Score: 55.31 E-value: 9.39e-08
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| SH3_STAM | cd11820 | Src homology 3 domain of Signal Transducing Adaptor Molecules; STAMs were discovered as ... |
746-798 | 1.22e-07 | ||||||||
Src homology 3 domain of Signal Transducing Adaptor Molecules; STAMs were discovered as proteins that are highly phosphorylated following cytokine and growth factor stimulation. They function in cytokine signaling and surface receptor degradation, as well as regulate Golgi morphology. They associate with many proteins including Jak2 and Jak3 tyrosine kinases, Hrs, AMSH, and UBPY. STAM adaptor proteins contain VHS (Vps27, Hrs, STAM homology), ubiquitin interacting (UIM), and SH3 domains. There are two vertebrate STAMs, STAM1 and STAM2, which may be functionally redundant; vertebrate STAMs contain ITAM motifs. They are part of the endosomal sorting complex required for transport (ESCRT-0). STAM2 deficiency in mice did not cause any obvious abnormality, while STAM1 deficiency resulted in growth retardation. Loss of both STAM1 and STAM2 in mice proved lethal, indicating that STAMs are important for embryonic development. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212754 [Multi-domain] Cd Length: 54 Bit Score: 49.00 E-value: 1.22e-07
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| SH3_Pex13p_fungal | cd11771 | Src Homology 3 domain of fungal peroxisomal membrane protein Pex13p; Pex13p, located in the ... |
746-797 | 1.25e-07 | ||||||||
Src Homology 3 domain of fungal peroxisomal membrane protein Pex13p; Pex13p, located in the peroxisomal membrane, contains two transmembrane regions and a C-terminal SH3 domain. It binds to the peroxisomal targeting type I (PTS1) receptor Pex5p and the docking factor Pex14p through its SH3 domain. It is essential for both PTS1 and PTS2 protein import pathways into the peroxisomal matrix. Pex13p binds Pex14p, which contains a PxxP motif, in a classical fashion to the proline-rich ligand binding site of its SH3 domain. It binds the WxxxF/Y motif of Pex5p in a novel site that does not compete with Pex14p binding. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212705 [Multi-domain] Cd Length: 60 Bit Score: 49.20 E-value: 1.25e-07
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| Myosin_tail_1 | pfam01576 | Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and ... |
366-687 | 1.37e-07 | ||||||||
Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and four light chains it is a fundamental contractile protein found in all eukaryote cell types. This family consists of the coiled-coil myosin heavy chain tail region. The coiled-coil is composed of the tail from two molecules of myosin. These can then assemble into the macromolecular thick filament. The coiled-coil region provides the structural backbone the thick filament. Pssm-ID: 460256 [Multi-domain] Cd Length: 1081 Bit Score: 55.95 E-value: 1.37e-07
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| sbcc | TIGR00618 | exonuclease SbcC; All proteins in this family for which functions are known are part of an ... |
342-682 | 1.52e-07 | ||||||||
exonuclease SbcC; All proteins in this family for which functions are known are part of an exonuclease complex with sbcD homologs. This complex is involved in the initiation of recombination to regulate the levels of palindromic sequences in DNA. This family is based on the phylogenomic analysis of JA Eisen (1999, Ph.D. Thesis, Stanford University). [DNA metabolism, DNA replication, recombination, and repair] Pssm-ID: 129705 [Multi-domain] Cd Length: 1042 Bit Score: 55.75 E-value: 1.52e-07
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| SH3_DNMBP_C2_like | cd11800 | Second C-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba, and ... |
744-798 | 1.60e-07 | ||||||||
Second C-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba, and similar domains; DNMBP or Tuba is a cdc42-specific guanine nucleotide exchange factor (GEF) that contains four N-terminal SH3 domains, a central RhoGEF [or Dbl homology (DH)] domain followed by a Bin/Amphiphysin/Rvs (BAR) domain, and two C-terminal SH3 domains. It provides a functional link between dynamin, Rho GTPase signaling, and actin dynamics. It plays an important role in regulating cell junction configuration. The C-terminal SH3 domains of DNMBP bind to N-WASP and Ena/VASP proteins, which are key regulatory proteins of the actin cytoskeleton. Also included in this subfamily is the second C-terminal SH3 domain of Rho guanine nucleotide exchange factor 37 (ARHGEF37), whose function is still unknown. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212734 [Multi-domain] Cd Length: 57 Bit Score: 48.91 E-value: 1.60e-07
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| MAP7 | pfam05672 | MAP7 (E-MAP-115) family; The organization of microtubules varies with the cell type and is ... |
366-495 | 1.64e-07 | ||||||||
MAP7 (E-MAP-115) family; The organization of microtubules varies with the cell type and is presumably controlled by tissue-specific microtubule-associated proteins (MAPs). The 115-kDa epithelial MAP (E-MAP-115/MAP7) has been identified as a microtubule-stabilising protein predominantly expressed in cell lines of epithelial origin. The binding of this microtubule associated protein is nucleotide independent. Pssm-ID: 461709 [Multi-domain] Cd Length: 153 Bit Score: 51.58 E-value: 1.64e-07
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| SH3_Stac_1 | cd11833 | First C-terminal Src homology 3 domain of SH3 and cysteine-rich domain-containing (Stac) ... |
744-798 | 1.69e-07 | ||||||||
First C-terminal Src homology 3 domain of SH3 and cysteine-rich domain-containing (Stac) proteins; Stac proteins are putative adaptor proteins that contain a cysteine-rich C1 domain and one or two SH3 domains at the C-terminus. There are three mammalian members (Stac1, Stac2, and Stac3) of this family. Stac1 and Stac3 contain two SH3 domains while Stac2 contains a single SH3 domain at the C-terminus. This model represents the first C-terminal SH3 domain of Stac1 and Stac3, and the single C-terminal SH3 domain of Stac2. Stac1 and Stac2 have been found to be expressed differently in mature dorsal root ganglia (DRG) neurons. Stac1 is mainly expressed in peptidergic neurons while Stac2 is found in a subset of nonpeptidergic and all trkB+ neurons. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212767 [Multi-domain] Cd Length: 53 Bit Score: 48.65 E-value: 1.69e-07
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| DUF4670 | pfam15709 | Domain of unknown function (DUF4670); This family of proteins is found in eukaryotes. Proteins ... |
587-704 | 1.73e-07 | ||||||||
Domain of unknown function (DUF4670); This family of proteins is found in eukaryotes. Proteins in this family are typically between 373 and 763 amino acids in length. Pssm-ID: 464815 [Multi-domain] Cd Length: 522 Bit Score: 54.96 E-value: 1.73e-07
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| SMC_prok_B | TIGR02168 | chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of ... |
336-648 | 1.88e-07 | ||||||||
chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. This family represents the SMC protein of most bacteria. The smc gene is often associated with scpB (TIGR00281) and scpA genes, where scp stands for segregation and condensation protein. SMC was shown (in Caulobacter crescentus) to be induced early in S phase but present and bound to DNA throughout the cell cycle. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274008 [Multi-domain] Cd Length: 1179 Bit Score: 55.45 E-value: 1.88e-07
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| SH3_MYO15 | cd11884 | Src Homology 3 domain of Myosin XV; This subfamily is composed of proteins with similarity to ... |
744-797 | 2.08e-07 | ||||||||
Src Homology 3 domain of Myosin XV; This subfamily is composed of proteins with similarity to Myosin XVa. Myosin XVa is an unconventional myosin that is critical for the normal growth of mechanosensory stereocilia of inner ear hair cells. Mutations in the myosin XVa gene are associated with nonsyndromic hearing loss. Myosin XVa contains a unique N-terminal extension followed by a motor domain, light chain-binding IQ motifs, and a tail consisting of a pair of MyTH4-FERM tandems separated by a SH3 domain, and a PDZ domain. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212817 [Multi-domain] Cd Length: 56 Bit Score: 48.48 E-value: 2.08e-07
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| DUF5401 | pfam17380 | Family of unknown function (DUF5401); This is a family of unknown function found in ... |
331-592 | 2.75e-07 | ||||||||
Family of unknown function (DUF5401); This is a family of unknown function found in Chromadorea. Pssm-ID: 375164 [Multi-domain] Cd Length: 722 Bit Score: 54.74 E-value: 2.75e-07
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| SH3_GRAF2 | cd12065 | Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase 2; GRAF2, also ... |
746-797 | 3.01e-07 | ||||||||
Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase 2; GRAF2, also called Rho GTPase activating protein 10 (ARHGAP10) or PS-GAP, is a GAP with activity towards Cdc42 and RhoA. It regulates caspase-activated p21-activated protein kinase-2 (PAK-2p34). GRAF2 interacts with PAK-2p34, leading to its stabilization and decrease of cell death. It is highly expressed in skeletal muscle, and is involved in alpha-catenin recruitment at cell-cell junctions. GRAF2 contains an N-terminal BAR domain, followed by a Pleckstrin homology (PH) domain, a Rho GAP domain, and a C-terminal SH3 domain. The SH3 domain of GRAF binds PKNbeta, a target of the small GTPase Rho. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212998 [Multi-domain] Cd Length: 54 Bit Score: 48.06 E-value: 3.01e-07
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| SH3_CD2AP-like_2 | cd11874 | Second Src Homology 3 domain (SH3B) of CD2-associated protein and similar proteins; This ... |
746-797 | 3.38e-07 | ||||||||
Second Src Homology 3 domain (SH3B) of CD2-associated protein and similar proteins; This subfamily is composed of the second SH3 domain (SH3B) of CD2AP, CIN85 (Cbl-interacting protein of 85 kDa), and similar domains. CD2AP and CIN85 are adaptor proteins that bind to protein partners and assemble complexes that have been implicated in T cell activation, kidney function, and apoptosis of neuronal cells. They also associate with endocytic proteins, actin cytoskeleton components, and other adaptor proteins involved in receptor tyrosine kinase (RTK) signaling. CD2AP and the main isoform of CIN85 contain three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CD2AP and CIN85 to bind various protein partners and assemble complexes that have been implicated in many different functions. SH3B of both proteins have been shown to bind to Cbl. In the case of CD2AP, its SH3B binds to Cbl at a site distinct from the c-Cbl/SH3A binding site. The CIN85 SH3B also binds ubiquitin. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212807 [Multi-domain] Cd Length: 53 Bit Score: 47.71 E-value: 3.38e-07
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| SH3_Nebulin_C | cd11933 | C-terminal Src Homology 3 domain of Nebulin; Nebulin is a giant filamentous protein (600-900 ... |
745-799 | 3.77e-07 | ||||||||
C-terminal Src Homology 3 domain of Nebulin; Nebulin is a giant filamentous protein (600-900 kD) that is expressed abundantly in skeletal muscle. It binds to actin thin filaments and regulates its assembly and function. Nebulin was thought to be part of a molecular ruler complex that is critical in determining the lengths of actin thin filaments in skeletal muscle since its length, which varies due to alternative splicing, correlates with the length of thin filaments in various muscle types. Recent studies indicate that nebulin regulates thin filament length by stabilizing the filaments and preventing depolymerization. Mutations in nebulin can cause nemaline myopathy, characterized by muscle weakness which can be severe and can lead to neonatal lethality. Nebulin contains an N-terminal LIM domain, many nebulin repeats/super repeats, and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212866 [Multi-domain] Cd Length: 58 Bit Score: 48.08 E-value: 3.77e-07
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| SH3_PACSIN1-2 | cd11998 | Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons 1 (PACSIN1) ... |
743-797 | 4.00e-07 | ||||||||
Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons 1 (PACSIN1) and PACSIN 2; PACSIN 1 or Syndapin I (Synaptic dynamin-associated protein I) is expressed specifically in the brain and is localized in neurites and synaptic boutons. It binds the brain-specific proteins dynamin I, synaptojanin, synapsin I, and neural Wiskott-Aldrich syndrome protein (nWASP), and functions as a link between the cytoskeletal machinery and synaptic vesicle endocytosis. PACSIN 1 interacts with huntingtin and may be implicated in the neuropathology of Huntington's disease. PACSIN 2 or Syndapin II is expressed ubiquitously and is involved in the regulation of tubulin polymerization. It associates with Golgi membranes and forms a complex with dynamin II which is crucial in promoting vesicle formation from the trans-Golgi network. PACSINs act as regulators of cytoskeletal and membrane dynamics. Vetebrates harbor three isoforms with distinct expression patterns and specific functions. PACSINs contain an N-terminal F-BAR domain and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212931 [Multi-domain] Cd Length: 56 Bit Score: 47.64 E-value: 4.00e-07
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| SH3_Nebulette_C | cd11935 | C-terminal Src Homology 3 domain of Nebulette and LIM-nebulette (or Lasp2); Nebulette is a ... |
745-799 | 4.09e-07 | ||||||||
C-terminal Src Homology 3 domain of Nebulette and LIM-nebulette (or Lasp2); Nebulette is a cardiac-specific protein that localizes to the Z-disc. It interacts with tropomyosin and is important in stabilizing actin thin filaments in cardiac muscles. Polymorphisms in the nebulette gene are associated with dilated cardiomyopathy, with some mutations resulting in severe heart failure. Nebulette is a 107kD protein that contains an N-terminal acidic region, multiple nebulin repeats, and a C-terminal SH3 domain. LIM-nebulette, also called Lasp2 (LIM and SH3 domain protein 2), is an alternatively spliced variant of nebulette. Although it shares a gene with nebulette, Lasp2 is not transcribed from a muscle-specific promoter, giving rise to its multiple tissue expression pattern with highest amounts in the brain. It can crosslink actin filaments and it affects cell spreading. Lasp2 is a 34kD protein containing an N-terminal LIM domain, three nebulin repeats, and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212868 [Multi-domain] Cd Length: 58 Bit Score: 47.69 E-value: 4.09e-07
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| SH3_Sorbs_1 | cd11781 | First Src Homology 3 domain of Sorbin and SH3 domain containing (Sorbs) proteins and similar ... |
746-797 | 4.31e-07 | ||||||||
First Src Homology 3 domain of Sorbin and SH3 domain containing (Sorbs) proteins and similar domains; This family, also called the vinexin family, is composed predominantly of adaptor proteins containing one sorbin homology (SoHo) and three SH3 domains. Members include the first SH3 domains of Sorbs1 (or ponsin), Sorbs2 (or ArgBP2), Vinexin (or Sorbs3), and similar domains. They are involved in the regulation of cytoskeletal organization, cell adhesion, and growth factor signaling. Members of this family bind multiple partners including signaling molecules like c-Abl, c-Arg, Sos, and c-Cbl, as well as cytoskeletal molecules such as vinculin and afadin. They may have overlapping functions. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212715 [Multi-domain] Cd Length: 53 Bit Score: 47.72 E-value: 4.31e-07
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| SH3_STAM1 | cd11964 | Src homology 3 domain of Signal Transducing Adaptor Molecule 1; STAM1 is part of the endosomal ... |
746-795 | 4.39e-07 | ||||||||
Src homology 3 domain of Signal Transducing Adaptor Molecule 1; STAM1 is part of the endosomal sorting complex required for transport (ESCRT-0) and is involved in sorting ubiquitinated cargo proteins from the endosome. It may also be involved in the regulation of IL2 and GM-CSF mediated signaling, and has been implicated in neural cell survival. STAMs were discovered as proteins that are highly phosphorylated following cytokine and growth factor stimulation. They function in cytokine signaling and surface receptor degradation, as well as regulate Golgi morphology. They associate with many proteins including Jak2 and Jak3 tyrosine kinases, Hrs, AMSH, and UBPY. STAM adaptor proteins contain VHS (Vps27, Hrs, STAM homology), ubiquitin interacting (UIM), and SH3 domains. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212897 [Multi-domain] Cd Length: 55 Bit Score: 47.64 E-value: 4.39e-07
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| DUF4659 | pfam15558 | Domain of unknown function (DUF4659); This family of proteins is found in eukaryotes. Proteins ... |
374-686 | 4.56e-07 | ||||||||
Domain of unknown function (DUF4659); This family of proteins is found in eukaryotes. Proteins in this family are typically between 427 and 674 amino acids in length. There are two completely conserved residues (D and I) that may be functionally important. Pssm-ID: 464768 [Multi-domain] Cd Length: 374 Bit Score: 53.12 E-value: 4.56e-07
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| sbcc | TIGR00618 | exonuclease SbcC; All proteins in this family for which functions are known are part of an ... |
370-686 | 4.62e-07 | ||||||||
exonuclease SbcC; All proteins in this family for which functions are known are part of an exonuclease complex with sbcD homologs. This complex is involved in the initiation of recombination to regulate the levels of palindromic sequences in DNA. This family is based on the phylogenomic analysis of JA Eisen (1999, Ph.D. Thesis, Stanford University). [DNA metabolism, DNA replication, recombination, and repair] Pssm-ID: 129705 [Multi-domain] Cd Length: 1042 Bit Score: 54.20 E-value: 4.62e-07
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| SH3_GRAP2_C | cd11950 | C-terminal Src homology 3 domain of GRB2-related adaptor protein 2; GRAP2 is also called GADS ... |
746-797 | 4.86e-07 | ||||||||
C-terminal Src homology 3 domain of GRB2-related adaptor protein 2; GRAP2 is also called GADS (GRB2-related adapter downstream of Shc), GrpL, GRB2L, Mona, or GRID (Grb2-related protein with insert domain). It is expressed specifically in the hematopoietic system. It plays an important role in T cell receptor (TCR) signaling by promoting the formation of the SLP-76:LAT complex, which couples the TCR to the Ras pathway. It also has roles in antigen-receptor and tyrosine kinase mediated signaling. GRAP2 is unique from other GRB2-like adaptor proteins in that it can be regulated by caspase cleavage. It contains an N-terminal SH3 domain, a central SH2 domain, and a C-terminal SH3 domain. The C-terminal SH3 domain of GRAP2 binds to different motifs found in substrate peptides including the typical PxxP motif in hematopoietic progenitor kinase 1 (HPK1), the RxxK motif in SLP-76 and HPK1, and the RxxxxK motif in phosphatase-like protein HD-PTP. SH3 domains are protein interaction domains that typically bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212883 [Multi-domain] Cd Length: 53 Bit Score: 47.51 E-value: 4.86e-07
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| SMC_prok_B | TIGR02168 | chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of ... |
334-708 | 7.35e-07 | ||||||||
chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. This family represents the SMC protein of most bacteria. The smc gene is often associated with scpB (TIGR00281) and scpA genes, where scp stands for segregation and condensation protein. SMC was shown (in Caulobacter crescentus) to be induced early in S phase but present and bound to DNA throughout the cell cycle. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274008 [Multi-domain] Cd Length: 1179 Bit Score: 53.52 E-value: 7.35e-07
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| COG1340 | COG1340 | Uncharacterized coiled-coil protein, contains DUF342 domain [Function unknown]; |
384-686 | 7.40e-07 | ||||||||
Uncharacterized coiled-coil protein, contains DUF342 domain [Function unknown]; Pssm-ID: 440951 [Multi-domain] Cd Length: 297 Bit Score: 52.22 E-value: 7.40e-07
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| COG4372 | COG4372 | Uncharacterized protein, contains DUF3084 domain [Function unknown]; |
453-680 | 7.46e-07 | ||||||||
Uncharacterized protein, contains DUF3084 domain [Function unknown]; Pssm-ID: 443500 [Multi-domain] Cd Length: 370 Bit Score: 52.60 E-value: 7.46e-07
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| SH3_AHI-1 | cd11812 | Src Homology 3 domain of Abelson helper integration site-1 (AHI-1); AHI-1, also called ... |
747-795 | 8.01e-07 | ||||||||
Src Homology 3 domain of Abelson helper integration site-1 (AHI-1); AHI-1, also called Jouberin, is expressed in high levels in the brain, gonad tissues, and skeletal muscle. It is an adaptor protein that interacts with the small GTPase Rab8a and regulates it distribution and function, affecting cilium formation and vesicle transport. Mutations in the AHI-1 gene can cause Joubert syndrome, a disorder characterized by brainstem malformations, cerebellar aplasia/hypoplasia, and retinal dystrophy. AHI-1 variation is also associated with susceptibility to schizophrenia and type 2 diabetes mellitus progression. AHI-1 contains WD40 and SH3 domains. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212746 [Multi-domain] Cd Length: 52 Bit Score: 46.74 E-value: 8.01e-07
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| CEP63 | pfam17045 | Centrosomal protein of 63 kDa; CEP63 is a family of eukaryotic proteins involved in centriole ... |
336-576 | 9.90e-07 | ||||||||
Centrosomal protein of 63 kDa; CEP63 is a family of eukaryotic proteins involved in centriole activity. Pssm-ID: 465338 [Multi-domain] Cd Length: 264 Bit Score: 51.36 E-value: 9.90e-07
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| MAD | pfam05557 | Mitotic checkpoint protein; This family consists of several eukaryotic mitotic checkpoint ... |
338-662 | 1.00e-06 | ||||||||
Mitotic checkpoint protein; This family consists of several eukaryotic mitotic checkpoint (Mitotic arrest deficient or MAD) proteins. The mitotic spindle checkpoint monitors proper attachment of the bipolar spindle to the kinetochores of aligned sister chromatids and causes a cell cycle arrest in prometaphase when failures occur. Multiple components of the mitotic spindle checkpoint have been identified in yeast and higher eukaryotes. In S.cerevisiae, the existence of a Mad1-dependent complex containing Mad2, Mad3, Bub3 and Cdc20 has been demonstrated. Pssm-ID: 461677 [Multi-domain] Cd Length: 660 Bit Score: 52.82 E-value: 1.00e-06
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| SH3_GRAP_N | cd11948 | N-terminal Src homology 3 domain of GRB2-related adaptor protein; GRAP is a GRB-2 like adaptor ... |
747-795 | 1.04e-06 | ||||||||
N-terminal Src homology 3 domain of GRB2-related adaptor protein; GRAP is a GRB-2 like adaptor protein that is highly expressed in lymphoid tissues. It acts as a negative regulator of T cell receptor (TCR)-induced lymphocyte proliferation by downregulating the signaling to the Ras/ERK pathway. It has been identified as a regulator of TGFbeta signaling in diabetic kidney tubules and may have a role in the pathogenesis of the disease. GRAP contains an N-terminal SH3 domain, a central SH2 domain, and a C-terminal SH3 domain. The N-terminal SH3 domain of the related protein GRB2 binds to Sos and Sos-derived proline-rich peptides. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212881 [Multi-domain] Cd Length: 54 Bit Score: 46.73 E-value: 1.04e-06
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| SH3_Sorbs_3 | cd11780 | Third (or C-terminal) Src Homology 3 domain of Sorbin and SH3 domain containing (Sorbs) ... |
745-798 | 1.06e-06 | ||||||||
Third (or C-terminal) Src Homology 3 domain of Sorbin and SH3 domain containing (Sorbs) proteins and similar domains; This family, also called the vinexin family, is composed predominantly of adaptor proteins containing one sorbin homology (SoHo) and three SH3 domains. Members include the third SH3 domains of Sorbs1 (or ponsin), Sorbs2 (or ArgBP2), Vinexin (or Sorbs3), and similar domains. They are involved in the regulation of cytoskeletal organization, cell adhesion, and growth factor signaling. Members of this family bind multiple partners including signaling molecules like c-Abl, c-Arg, Sos, and c-Cbl, as well as cytoskeletal molecules such as vinculin and afadin. They may have overlapping functions. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212714 [Multi-domain] Cd Length: 55 Bit Score: 46.53 E-value: 1.06e-06
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| SH3_CD2AP_1 | cd12053 | First Src Homology 3 domain (SH3A) of CD2-associated protein; CD2AP, also called CMS (Cas ... |
749-799 | 1.09e-06 | ||||||||
First Src Homology 3 domain (SH3A) of CD2-associated protein; CD2AP, also called CMS (Cas ligand with Multiple SH3 domains) or METS1 (Mesenchyme-to-Epithelium Transition protein with SH3 domains), is a cytosolic adaptor protein that plays a role in regulating the cytoskeleton. It is critical in cell-to-cell union necessary for kidney function. It also stabilizes the contact between a T cell and antigen-presenting cells. It is primarily expressed in podocytes at the cytoplasmic face of the slit diaphragm and serves as a linker anchoring podocin and nephrin to the actin cytoskeleton. CD2AP contains three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CD2AP to bind various protein partners and assemble complexes that have been implicated in many different functions. This alignment model represents the first SH3 domain (SH3A) of CD2AP. SH3A binds to the PXXXPR motif present in c-Cbl and the cytoplasmic domain of cell adhesion protein CD2. Its interaction with CD2 anchors CD2 at sites of cell contact. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212986 Cd Length: 56 Bit Score: 46.37 E-value: 1.09e-06
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| PTZ00121 | PTZ00121 | MAEBL; Provisional |
307-668 | 1.14e-06 | ||||||||
MAEBL; Provisional Pssm-ID: 173412 [Multi-domain] Cd Length: 2084 Bit Score: 52.84 E-value: 1.14e-06
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
335-652 | 1.48e-06 | ||||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 52.25 E-value: 1.48e-06
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| PTZ00266 | PTZ00266 | NIMA-related protein kinase; Provisional |
325-415 | 1.63e-06 | ||||||||
NIMA-related protein kinase; Provisional Pssm-ID: 173502 [Multi-domain] Cd Length: 1021 Bit Score: 52.43 E-value: 1.63e-06
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| SH3_SH3RF_1 | cd11786 | First Src Homology 3 domain of SH3 domain containing ring finger proteins; This model ... |
744-797 | 1.79e-06 | ||||||||
First Src Homology 3 domain of SH3 domain containing ring finger proteins; This model represents the first SH3 domain of SH3RF1 (or POSH), SH3RF2 (or POSHER), SH3RF3 (POSH2), and similar domains. Members of this family are scaffold proteins that function as E3 ubiquitin-protein ligases. They all contain an N-terminal RING finger domain and multiple SH3 domains; SH3RF1 and SH3RF3 have four SH3 domains while SH3RF2 has three. SH3RF1 plays a role in calcium homeostasis through the control of the ubiquitin domain protein Herp. It may also have a role in regulating death receptor mediated and JNK mediated apoptosis. SH3RF3 interacts with p21-activated kinase 2 (PAK2) and GTP-loaded Rac1. It may play a role in regulating JNK mediated apoptosis in certain conditions. SH3RF2 acts as an anti-apoptotic regulator of the JNK pathway by binding to and promoting the degradation of SH3RF1. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212720 [Multi-domain] Cd Length: 53 Bit Score: 45.82 E-value: 1.79e-06
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| PRK02224 | PRK02224 | DNA double-strand break repair Rad50 ATPase; |
327-708 | 1.81e-06 | ||||||||
DNA double-strand break repair Rad50 ATPase; Pssm-ID: 179385 [Multi-domain] Cd Length: 880 Bit Score: 51.96 E-value: 1.81e-06
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| SMC_prok_A | TIGR02169 | chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of ... |
335-612 | 1.91e-06 | ||||||||
chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. It is found in a single copy and is homodimeric in prokaryotes, but six paralogs (excluded from this family) are found in eukarotes, where SMC proteins are heterodimeric. This family represents the SMC protein of archaea and a few bacteria (Aquifex, Synechocystis, etc); the SMC of other bacteria is described by TIGR02168. The N- and C-terminal domains of this protein are well conserved, but the central hinge region is skewed in composition and highly divergent. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274009 [Multi-domain] Cd Length: 1164 Bit Score: 51.99 E-value: 1.91e-06
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| SH3_Intersectin1_3 | cd11991 | Third Src homology 3 domain (or SH3C) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor ... |
745-795 | 1.98e-06 | ||||||||
Third Src homology 3 domain (or SH3C) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN1 localizes in membranous organelles, CCPs, the Golgi complex, and may be involved in the cell membrane trafficking system. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The third SH3 domain (or SH3C) of ITSN1 has been shown to bind many proteins including dynamin1/2, CIN85, c-Cbl, SHIP2, Reps1, synaptojanin-1, and WNK, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212924 Cd Length: 52 Bit Score: 45.74 E-value: 1.98e-06
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| DUF5401 | pfam17380 | Family of unknown function (DUF5401); This is a family of unknown function found in ... |
327-519 | 2.09e-06 | ||||||||
Family of unknown function (DUF5401); This is a family of unknown function found in Chromadorea. Pssm-ID: 375164 [Multi-domain] Cd Length: 722 Bit Score: 51.66 E-value: 2.09e-06
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| SMC_prok_B | TIGR02168 | chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of ... |
325-524 | 2.27e-06 | ||||||||
chromosome segregation protein SMC, common bacterial type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. This family represents the SMC protein of most bacteria. The smc gene is often associated with scpB (TIGR00281) and scpA genes, where scp stands for segregation and condensation protein. SMC was shown (in Caulobacter crescentus) to be induced early in S phase but present and bound to DNA throughout the cell cycle. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274008 [Multi-domain] Cd Length: 1179 Bit Score: 51.98 E-value: 2.27e-06
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| SH3_SNX33 | cd11896 | Src Homology 3 domain of Sorting Nexin 33; SNX33 interacts with Wiskott-Aldrich syndrome ... |
746-797 | 2.33e-06 | ||||||||
Src Homology 3 domain of Sorting Nexin 33; SNX33 interacts with Wiskott-Aldrich syndrome protein (WASP) and plays a role in the maintenance of cell shape and cell cycle progression. It modulates the shedding and endocytosis of cellular prion protein (PrP(c)) and amyloid precursor protein (APP). SNXs are Phox homology (PX) domain containing proteins that are involved in regulating membrane traffic and protein sorting in the endosomal system. SNX33 also contains BAR and SH3 domains. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212829 [Multi-domain] Cd Length: 55 Bit Score: 45.72 E-value: 2.33e-06
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| ARGLU | pfam15346 | Arginine and glutamate-rich 1; ARGLU, arginine and glutamate-rich 1 protein family, is ... |
587-688 | 2.39e-06 | ||||||||
Arginine and glutamate-rich 1; ARGLU, arginine and glutamate-rich 1 protein family, is required for the oestrogen-dependent expression of ESR1 target genes. It functions in cooperation with MED1. The family of proteins is found in eukaryotes. Pssm-ID: 405931 [Multi-domain] Cd Length: 151 Bit Score: 48.51 E-value: 2.39e-06
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| DR0291 | COG1579 | Predicted nucleic acid-binding protein DR0291, contains C4-type Zn-ribbon domain [General ... |
562-686 | 2.44e-06 | ||||||||
Predicted nucleic acid-binding protein DR0291, contains C4-type Zn-ribbon domain [General function prediction only]; Pssm-ID: 441187 [Multi-domain] Cd Length: 236 Bit Score: 49.92 E-value: 2.44e-06
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| SH3_Abp1_eu | cd11960 | Src homology 3 domain of eumetazoan Actin-binding protein 1; Abp1, also called drebrin-like ... |
746-797 | 2.48e-06 | ||||||||
Src homology 3 domain of eumetazoan Actin-binding protein 1; Abp1, also called drebrin-like protein, is an adaptor protein that functions in receptor-mediated endocytosis and vesicle trafficking. It contains an N-terminal actin-binding module, the actin-depolymerizing factor (ADF) homology domain, a helical domain, and a C-terminal SH3 domain. Mammalian Abp1, unlike yeast Abp1, does not contain an acidic domain that interacts with the Arp2/3 complex. It regulates actin dynamics indirectly by interacting with dynamin and WASP family proteins. Abp1 deficiency causes abnormal organ structure and function of the spleen, heart, and lung of mice. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212893 [Multi-domain] Cd Length: 54 Bit Score: 45.47 E-value: 2.48e-06
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| DUF4659 | pfam15558 | Domain of unknown function (DUF4659); This family of proteins is found in eukaryotes. Proteins ... |
337-654 | 2.56e-06 | ||||||||
Domain of unknown function (DUF4659); This family of proteins is found in eukaryotes. Proteins in this family are typically between 427 and 674 amino acids in length. There are two completely conserved residues (D and I) that may be functionally important. Pssm-ID: 464768 [Multi-domain] Cd Length: 374 Bit Score: 50.81 E-value: 2.56e-06
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| SH3_DNMBP_C2 | cd12141 | Second C-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba, and ... |
743-798 | 2.60e-06 | ||||||||
Second C-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba, and similar domains; DNMBP or Tuba is a cdc42-specific guanine nucleotide exchange factor (GEF) that contains four N-terminal SH3 domains, a central RhoGEF [or Dbl homology (DH)] domain followed by a Bin/Amphiphysin/Rvs (BAR) domain, and two C-terminal SH3 domains. It provides a functional link between dynamin, Rho GTPase signaling, and actin dynamics. It plays an important role in regulating cell junction configuration. The C-terminal SH3 domains of DNMBP bind to N-WASP and Ena/VASP proteins, which are key regulatory proteins of the actin cytoskeleton. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 213017 [Multi-domain] Cd Length: 57 Bit Score: 45.57 E-value: 2.60e-06
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| SH3_Stac2_C | cd11985 | C-terminal Src homology 3 domain of SH3 and cysteine-rich domain-containing protein 2 (Stac2); ... |
745-798 | 2.67e-06 | ||||||||
C-terminal Src homology 3 domain of SH3 and cysteine-rich domain-containing protein 2 (Stac2); Stac proteins are putative adaptor proteins that contain a cysteine-rich C1 domain and one or two SH3 domains at the C-terminus. There are three mammalian members (Stac1, Stac2, and Stac3) of this family. Stac2 contains a single SH3 domain at the C-terminus unlike Stac1 and Stac3, which contain two C-terminal SH3 domains. Stac1 and Stac2 have been found to be expressed differently in mature dorsal root ganglia (DRG) neurons. Stac1 is mainly expressed in peptidergic neurons while Stac2 is found in a subset of nonpeptidergic and all trkB+ neurons. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212918 Cd Length: 53 Bit Score: 45.32 E-value: 2.67e-06
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| DR0291 | COG1579 | Predicted nucleic acid-binding protein DR0291, contains C4-type Zn-ribbon domain [General ... |
451-638 | 2.94e-06 | ||||||||
Predicted nucleic acid-binding protein DR0291, contains C4-type Zn-ribbon domain [General function prediction only]; Pssm-ID: 441187 [Multi-domain] Cd Length: 236 Bit Score: 49.54 E-value: 2.94e-06
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| COG4372 | COG4372 | Uncharacterized protein, contains DUF3084 domain [Function unknown]; |
366-669 | 3.03e-06 | ||||||||
Uncharacterized protein, contains DUF3084 domain [Function unknown]; Pssm-ID: 443500 [Multi-domain] Cd Length: 370 Bit Score: 50.67 E-value: 3.03e-06
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| SH3_p47phox_1 | cd12021 | First or N-terminal Src homology 3 domain of the p47phox subunit of NADPH oxidase, also called ... |
745-797 | 3.19e-06 | ||||||||
First or N-terminal Src homology 3 domain of the p47phox subunit of NADPH oxidase, also called Neutrophil Cytosolic Factor 1; p47phox, or NCF1, is a cytosolic subunit of the phagocytic NADPH oxidase complex (also called Nox2 or gp91phox), which plays a key role in the ability of phagocytes to defend against bacterial infections. NADPH oxidase catalyzes the transfer of electrons from NADPH to oxygen during phagocytosis forming superoxide and reactive oxygen species. p47phox is required for activation of NADH oxidase and plays a role in translocation. It contains an N-terminal Phox homology (PX) domain, tandem SH3 domains (N-SH3 and C-SH3), a polybasic/autoinhibitory region, and a C-terminal proline-rich region (PRR). This model characterizes the first SH3 domain (or N-SH3) of p47phox. In its inactive state, the tandem SH3 domains interact intramolecularly with the autoinhibitory region; upon activation, the tandem SH3 domains are exposed through a conformational change, resulting in their binding to the PRR of p22phox and the activation of NADPH oxidase. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212954 [Multi-domain] Cd Length: 53 Bit Score: 45.33 E-value: 3.19e-06
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| SH3_SH3RF_C | cd11785 | C-terminal (Fourth) Src Homology 3 domain of SH3 domain containing ring finger 1 (SH3RF1), ... |
745-798 | 3.66e-06 | ||||||||
C-terminal (Fourth) Src Homology 3 domain of SH3 domain containing ring finger 1 (SH3RF1), SH3RF3, and similar domains; SH3RF1 (or POSH) and SH3RF3 (or POSH2) are scaffold proteins that function as E3 ubiquitin-protein ligases. They contain an N-terminal RING finger domain and four SH3 domains. This model represents the fourth SH3 domain, located at the C-terminus of SH3RF1 and SH3RF3, and similar domains. SH3RF1 plays a role in calcium homeostasis through the control of the ubiquitin domain protein Herp. It may also have a role in regulating death receptor mediated and JNK mediated apoptosis. SH3RF3 interacts with p21-activated kinase 2 (PAK2) and GTP-loaded Rac1. It may play a role in regulating JNK mediated apoptosis in certain conditions. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212719 Cd Length: 55 Bit Score: 45.15 E-value: 3.66e-06
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| SCP-1 | pfam05483 | Synaptonemal complex protein 1 (SCP-1); Synaptonemal complex protein 1 (SCP-1) is the major ... |
335-714 | 4.39e-06 | ||||||||
Synaptonemal complex protein 1 (SCP-1); Synaptonemal complex protein 1 (SCP-1) is the major component of the transverse filaments of the synaptonemal complex. Synaptonemal complexes are structures that are formed between homologous chromosomes during meiotic prophase. Pssm-ID: 114219 [Multi-domain] Cd Length: 787 Bit Score: 50.88 E-value: 4.39e-06
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| SH3_Ysc84p_like | cd11842 | Src homology 3 domain of Ysc84p and similar fungal proteins; This family is composed of the ... |
744-797 | 4.97e-06 | ||||||||
Src homology 3 domain of Ysc84p and similar fungal proteins; This family is composed of the Saccharomyces cerevisiae proteins, Ysc84p (also called LAS17-binding protein 4, Lsb4p) and Lsb3p, and similar fungal proteins. They contain an N-terminal SYLF domain (also called DUF500) and a C-terminal SH3 domain. Ysc84p localizes to actin patches and plays an important in actin polymerization during endocytosis. The N-terminal domain of both Ysc84p and Lsb3p can bind and bundle actin filaments. A study of the yeast SH3 domain interactome predicts that the SH3 domains of Lsb3p and Lsb4p may function as molecular hubs for the assembly of endocytic complexes. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212776 [Multi-domain] Cd Length: 55 Bit Score: 44.72 E-value: 4.97e-06
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| SH3_PLCgamma1 | cd11970 | Src homology 3 domain of Phospholipase C (PLC) gamma 1; PLCgamma1 is widely expressed and is ... |
746-799 | 5.11e-06 | ||||||||
Src homology 3 domain of Phospholipase C (PLC) gamma 1; PLCgamma1 is widely expressed and is essential in growth and development. It is activated by the TrkA receptor tyrosine kinase and functions as a key regulator of cell differentiation. It is also the predominant PLCgamma in T cells and is required for T cell and NK cell function. PLCs catalyze the hydrolysis of phosphatidylinositol (4,5)-bisphosphate [PtdIns(4,5)P2] to produce Ins(1,4,5)P3 and diacylglycerol (DAG). Ins(1,4,5)P3 initiates the calcium signaling cascade while DAG functions as an activator of PKC. PLCgamma contains a Pleckstrin homology (PH) domain followed by an elongation factor (EF) domain, two catalytic regions of PLC domains that flank two tandem SH2 domains, followed by a SH3 domain and C2 domain. The SH3 domain of PLCgamma1 directly interacts with dynamin-1 and can serve as a guanine nucleotide exchange factor (GEF). It also interacts with Cbl, inhibiting its phosphorylation and activity. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212903 Cd Length: 60 Bit Score: 44.98 E-value: 5.11e-06
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| SH3_Vinexin_1 | cd11921 | First Src Homology 3 domain of Vinexin, also called Sorbin and SH3 domain containing 3 (Sorbs3) ... |
746-799 | 6.19e-06 | ||||||||
First Src Homology 3 domain of Vinexin, also called Sorbin and SH3 domain containing 3 (Sorbs3); Vinexin is also called Sorbs3, SH3P3, and SH3-containing adapter molecule 1 (SCAM-1). It is an adaptor protein containing one sorbin homology (SoHo) and three SH3 domains. Vinexin was first identified as a vinculin binding protein; it is co-localized with vinculin at cell-ECM and cell-cell adhesion sites. There are several splice variants of vinexin: alpha, which contains the SoHo and three SH3 domains and displays tissue-specific expression; and beta, which contains only the three SH3 domains and is widely expressed. Vinexin alpha stimulates the accumulation of F-actin at focal contact sites. Vinexin also promotes keratinocyte migration and wound healing. The SH3 domains of vinexin have been reported to bind a number of ligands including vinculin, WAVE2, DLG5, Abl, and Cbl. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212854 Cd Length: 55 Bit Score: 44.53 E-value: 6.19e-06
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| Mplasa_alph_rch | TIGR04523 | helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of ... |
385-688 | 6.34e-06 | ||||||||
helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of Mycoplasma species. Members average 750 amino acids in length, including signal peptide. Sequences are predicted (Jpred 3) to be almost entirely alpha-helical. These sequences show strong periodicity (consistent with long alpha helical structures) and low complexity rich in D,E,N,Q, and K. Genes encoding these proteins are often found in tandem. The function is unknown. Pssm-ID: 275316 [Multi-domain] Cd Length: 745 Bit Score: 50.40 E-value: 6.34e-06
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| SH3_CD2AP_2 | cd12054 | Second Src Homology 3 domain (SH3B) of CD2-associated protein; CD2AP, also called CMS (Cas ... |
746-799 | 6.69e-06 | ||||||||
Second Src Homology 3 domain (SH3B) of CD2-associated protein; CD2AP, also called CMS (Cas ligand with Multiple SH3 domains) or METS1 (Mesenchyme-to-Epithelium Transition protein with SH3 domains), is a cytosolic adaptor protein that plays a role in regulating the cytoskeleton. It is critical in cell-to-cell union necessary for kidney function. It also stabilizes the contact between a T cell and antigen-presenting cells. It is primarily expressed in podocytes at the cytoplasmic face of the slit diaphragm and serves as a linker anchoring podocin and nephrin to the actin cytoskeleton. CD2AP contains three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CD2AP to bind various protein partners and assemble complexes that have been implicated in many different functions. This alignment model represents the second SH3 domain (SH3B) of CD2AP. SH3B binds to c-Cbl in a site (TPSSRPLR is the core binding motif) distinct from the c-Cbl/SH3A binding site. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212987 [Multi-domain] Cd Length: 55 Bit Score: 44.19 E-value: 6.69e-06
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| SH3_2 | pfam07653 | Variant SH3 domain; SH3 (Src homology 3) domains are often indicative of a protein involved in ... |
744-799 | 6.76e-06 | ||||||||
Variant SH3 domain; SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organization. First described in the Src cytoplasmic tyrosine kinase. The structure is a partly opened beta barrel. Pssm-ID: 429575 [Multi-domain] Cd Length: 54 Bit Score: 44.12 E-value: 6.76e-06
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| PRK03918 | PRK03918 | DNA double-strand break repair ATPase Rad50; |
369-655 | 7.19e-06 | ||||||||
DNA double-strand break repair ATPase Rad50; Pssm-ID: 235175 [Multi-domain] Cd Length: 880 Bit Score: 50.06 E-value: 7.19e-06
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| PRK12704 | PRK12704 | phosphodiesterase; Provisional |
572-687 | 8.19e-06 | ||||||||
phosphodiesterase; Provisional Pssm-ID: 237177 [Multi-domain] Cd Length: 520 Bit Score: 49.78 E-value: 8.19e-06
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| sbcc | TIGR00618 | exonuclease SbcC; All proteins in this family for which functions are known are part of an ... |
323-636 | 8.48e-06 | ||||||||
exonuclease SbcC; All proteins in this family for which functions are known are part of an exonuclease complex with sbcD homologs. This complex is involved in the initiation of recombination to regulate the levels of palindromic sequences in DNA. This family is based on the phylogenomic analysis of JA Eisen (1999, Ph.D. Thesis, Stanford University). [DNA metabolism, DNA replication, recombination, and repair] Pssm-ID: 129705 [Multi-domain] Cd Length: 1042 Bit Score: 49.97 E-value: 8.48e-06
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| SMC_N | pfam02463 | RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The ... |
331-687 | 8.59e-06 | ||||||||
RecF/RecN/SMC N terminal domain; This domain is found at the N terminus of SMC proteins. The SMC (structural maintenance of chromosomes) superfamily proteins have ATP-binding domains at the N- and C-termini, and two extended coiled-coil domains separated by a hinge in the middle. The eukaryotic SMC proteins form two kind of heterodimers: the SMC1/SMC3 and the SMC2/SMC4 types. These heterodimers constitute an essential part of higher order complexes, which are involved in chromatin and DNA dynamics. This family also includes the RecF and RecN proteins that are involved in DNA metabolism and recombination. Pssm-ID: 426784 [Multi-domain] Cd Length: 1161 Bit Score: 49.97 E-value: 8.59e-06
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| SH3_Stac3_1 | cd11986 | First C-terminal Src homology 3 domain of SH3 and cysteine-rich domain-containing protein 3 ... |
744-795 | 8.72e-06 | ||||||||
First C-terminal Src homology 3 domain of SH3 and cysteine-rich domain-containing protein 3 (Stac3); Stac proteins are putative adaptor proteins that contain a cysteine-rich C1 domain and one or two SH3 domains at the C-terminus. There are three mammalian members (Stac1, Stac2, and Stac3) of this family. Stac1 and Stac3 contain two SH3 domains while Stac2 contains a single SH3 domain at the C-terminus. Stac1 and Stac2 have been found to be expressed differently in mature dorsal root ganglia (DRG) neurons. Stac1 is mainly expressed in peptidergic neurons while Stac2 is found in a subset of nonpeptidergic and all trkB+ neurons. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212919 [Multi-domain] Cd Length: 53 Bit Score: 43.74 E-value: 8.72e-06
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| SH3_SH3YL1_like | cd11841 | Src homology 3 domain of SH3 domain containing Ysc84-like 1 (SH3YL1) protein; SH3YL1 localizes ... |
747-795 | 1.00e-05 | ||||||||
Src homology 3 domain of SH3 domain containing Ysc84-like 1 (SH3YL1) protein; SH3YL1 localizes to the plasma membrane and is required for dorsal ruffle formation. It binds phosphoinositides (PIs) with high affinity through its N-terminal SYLF domain (also called DUF500). In addition, SH3YL1 contains a C-terminal SH3 domain which has been reported to bind to N-WASP, dynamin 2, and SHIP2 (a PI 5-phosphatase). SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212775 Cd Length: 54 Bit Score: 43.92 E-value: 1.00e-05
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| COG4913 | COG4913 | Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; |
367-656 | 1.04e-05 | ||||||||
Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; Pssm-ID: 443941 [Multi-domain] Cd Length: 1089 Bit Score: 49.53 E-value: 1.04e-05
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| SH3_Shank1 | cd11982 | Src homology 3 domain of SH3 and multiple ankyrin repeat domains protein 1; Shank1, also ... |
745-794 | 1.04e-05 | ||||||||
Src homology 3 domain of SH3 and multiple ankyrin repeat domains protein 1; Shank1, also called SSTRIP (Somatostatin receptor-interacting protein), is a brain-specific protein that plays a role in the construction of postsynaptic density (PSD) and the maturation of dendritic spines. Mice deficient in Shank1 show altered PSD composition, thinner PSDs, smaller dendritic spines, and weaker basal synaptic transmission, although synaptic plasticity is normal. They show increased anxiety and impaired fear memory, but also show better spatial learning. Shank proteins carry scaffolding functions through multiple sites of protein-protein interaction in its domain architecture, including ankyrin (ANK) repeats, a long proline rich region, as well as SH3, PDZ, and SAM domains. The SH3 domain of Shank binds GRIP, a scaffold protein that binds AMPA receptors and Eph receptors/ligands. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212915 [Multi-domain] Cd Length: 52 Bit Score: 43.85 E-value: 1.04e-05
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| SH3_UBASH3A | cd11937 | Src homology 3 domain of Ubiquitin-associated and SH3 domain-containing protein A; UBASH3A is ... |
746-798 | 1.05e-05 | ||||||||
Src homology 3 domain of Ubiquitin-associated and SH3 domain-containing protein A; UBASH3A is also called Cbl-Interacting Protein 4 (CLIP4), T cell Ubiquitin LigAnd (TULA), or T cell receptor Signaling (STS)-2. It is only found in lymphoid cells and exhibits weak phosphatase activity. UBASH3A facilitates T cell-induced apoptosis through interaction with the apoptosis-inducing factor AIF. It is involved in regulating the level of phosphorylation of the zeta-associated protein (ZAP)-70 tyrosine kinase. TULA proteins contain an N-terminal UBA domain, a central SH3 domain, and a C-terminal histidine phosphatase domain. They bind c-Cbl through the SH3 domain and to ubiquitin via UBA. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212870 [Multi-domain] Cd Length: 60 Bit Score: 43.85 E-value: 1.05e-05
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| Myosin_tail_1 | pfam01576 | Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and ... |
335-685 | 1.13e-05 | ||||||||
Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and four light chains it is a fundamental contractile protein found in all eukaryote cell types. This family consists of the coiled-coil myosin heavy chain tail region. The coiled-coil is composed of the tail from two molecules of myosin. These can then assemble into the macromolecular thick filament. The coiled-coil region provides the structural backbone the thick filament. Pssm-ID: 460256 [Multi-domain] Cd Length: 1081 Bit Score: 49.40 E-value: 1.13e-05
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| SH3_PI3K_p85 | cd11776 | Src Homology 3 domain of the p85 regulatory subunit of Class IA Phosphatidylinositol 3-kinases; ... |
745-797 | 1.20e-05 | ||||||||
Src Homology 3 domain of the p85 regulatory subunit of Class IA Phosphatidylinositol 3-kinases; Class I PI3Ks convert PtdIns(4,5)P2 to the critical second messenger PtdIns(3,4,5)P3. They are heterodimers and exist in multiple isoforms consisting of one catalytic subunit (out of four isoforms) and one of several regulatory subunits. Class IA PI3Ks associate with the p85 regulatory subunit family, which contains SH3, RhoGAP, and SH2 domains. The p85 subunits recruit the PI3K p110 catalytic subunit to the membrane, where p110 phosphorylates inositol lipids. Vertebrates harbor two p85 isoforms, called alpha and beta. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212710 Cd Length: 72 Bit Score: 44.04 E-value: 1.20e-05
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| SH3_Abp1_fungi_C2 | cd11961 | Second C-terminal Src homology 3 domain of Fungal Actin-binding protein 1; Abp1 is an adaptor ... |
746-797 | 1.79e-05 | ||||||||
Second C-terminal Src homology 3 domain of Fungal Actin-binding protein 1; Abp1 is an adaptor protein that functions in receptor-mediated endocytosis and vesicle trafficking. It contains an N-terminal actin-binding module, the actin-depolymerizing factor (ADF) homology domain, a central proline-rich region, and a C-terminal SH3 domain (many yeast Abp1 proteins contain two C-terminal SH3 domains). Yeast Abp1 also contains two acidic domains that bind directly to the Arp2/3 complex, which is required to initiate actin polymerization. The SH3 domain of yeast Abp1 binds and localizes the kinases, Ark1p and Prk1p, which facilitate actin patch disassembly following vesicle internalization. It also mediates the localization to the actin patch of the synaptojanin-like protein, Sjl2p, which plays a key role in endocytosis. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212894 [Multi-domain] Cd Length: 53 Bit Score: 42.90 E-value: 1.79e-05
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| SH3_PEX13_eumet | cd11864 | Src Homology 3 domain of eumetazoan Peroxisomal biogenesis factor 13; PEX13 is a peroxin and ... |
746-795 | 1.81e-05 | ||||||||
Src Homology 3 domain of eumetazoan Peroxisomal biogenesis factor 13; PEX13 is a peroxin and is required for protein import into the peroxisomal matrix and membrane. It is an integral membrane protein that is essential for the localization of PEX14 and the import of proteins containing the peroxisome matrix targeting signals, PTS1 and PTS2. Mutations of the PEX13 gene in humans lead to a wide range of peroxisome biogenesis disorders (PBDs), the most severe of which is known as Zellweger syndrome (ZS), a severe multisystem disorder characterized by hypotonia, psychomotor retardation, and neuronal migration defects. PEX13 contains two transmembrane regions and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212798 Cd Length: 58 Bit Score: 43.00 E-value: 1.81e-05
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| SH3_Myosin-I_fungi | cd11858 | Src homology 3 domain of Type I fungal Myosins; Type I myosins (myosin-I) are actin-dependent ... |
745-797 | 1.96e-05 | ||||||||
Src homology 3 domain of Type I fungal Myosins; Type I myosins (myosin-I) are actin-dependent motors in endocytic actin structures and actin patches. They play roles in membrane traffic in endocytic and secretory pathways, cell motility, and mechanosensing. Saccharomyces cerevisiae has two myosins-I, Myo3 and Myo5, which are involved in endocytosis and the polarization of the actin cytoskeleton. Myosin-I contains an N-terminal actin-activated ATPase, a phospholipid-binding TH1 (tail homology 1) domain, and a C-terminal extension which includes an F-actin-binding TH2 domain, an SH3 domain, and an acidic peptide that participates in activating the Arp2/3complex. The SH3 domain of myosin-I is required for myosin-I-induced actin polymerization. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212792 [Multi-domain] Cd Length: 55 Bit Score: 43.14 E-value: 1.96e-05
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| SH3_Sorbs2_1 | cd11920 | First Src Homology 3 domain of Sorbin and SH3 domain containing 2 (Sorbs2), also called ... |
746-799 | 2.03e-05 | ||||||||
First Src Homology 3 domain of Sorbin and SH3 domain containing 2 (Sorbs2), also called Arg-binding protein 2 (ArgBP2); Sorbs2 or ArgBP2 is an adaptor protein containing one sorbin homology (SoHo) and three SH3 domains. It regulates actin-dependent processes including cell adhesion, morphology, and migration. It is expressed in many tissues and is abundant in the heart. Like vinexin, it is found in focal adhesion where it interacts with vinculin and afadin. It also localizes in epithelial cell stress fibers and in cardiac muscle cell Z-discs. Sorbs2 has been implicated to play roles in the signaling of c-Arg, Akt, and Pyk2. Other interaction partners of Sorbs2 include c-Abl, flotillin, spectrin, dynamin 1/2, synaptojanin, PTP-PEST, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212853 [Multi-domain] Cd Length: 55 Bit Score: 43.08 E-value: 2.03e-05
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| SH3_GRB2_like_N | cd11804 | N-terminal Src homology 3 domain of Growth factor receptor-bound protein 2 (GRB2) and related ... |
746-795 | 2.04e-05 | ||||||||
N-terminal Src homology 3 domain of Growth factor receptor-bound protein 2 (GRB2) and related proteins; This family includes the adaptor protein GRB2 and related proteins including Drosophila melanogaster Downstream of receptor kinase (DRK), Caenorhabditis elegans Sex muscle abnormal protein 5 (Sem-5), GRB2-related adaptor protein (GRAP), GRAP2, and similar proteins. Family members contain an N-terminal SH3 domain, a central SH2 domain, and a C-terminal SH3 domain. GRB2/Sem-5/DRK is a critical signaling molecule that regulates the Ras pathway by linking tyrosine kinases to the Ras guanine nucleotide releasing protein Sos (son of sevenless), which converts Ras to the active GTP-bound state. GRAP2 plays an important role in T cell receptor (TCR) signaling by promoting the formation of the SLP-76:LAT complex, which couples the TCR to the Ras pathway. GRAP acts as a negative regulator of T cell receptor (TCR)-induced lymphocyte proliferation by downregulating the signaling to the Ras/ERK pathway. The N-terminal SH3 domain of GRB2 binds to Sos and Sos-derived proline-rich peptides. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212738 [Multi-domain] Cd Length: 52 Bit Score: 42.73 E-value: 2.04e-05
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| COG4913 | COG4913 | Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; |
366-512 | 2.07e-05 | ||||||||
Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; Pssm-ID: 443941 [Multi-domain] Cd Length: 1089 Bit Score: 48.76 E-value: 2.07e-05
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| SH3_PACSIN3 | cd11997 | Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons 3 (PACSIN3); ... |
743-797 | 2.11e-05 | ||||||||
Src homology 3 domain of Protein kinase C and Casein kinase Substrate in Neurons 3 (PACSIN3); PACSIN 3 or Syndapin III (Synaptic dynamin-associated protein III) is expressed ubiquitously and regulates glucose uptake in adipocytes through its role in GLUT1 trafficking. It also modulates the subcellular localization and stimulus-specific function of the cation channel TRPV4. PACSINs act as regulators of cytoskeletal and membrane dynamics. Vetebrates harbor three isoforms with distinct expression patterns and specific functions. PACSINs contain an N-terminal F-BAR domain and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212930 [Multi-domain] Cd Length: 56 Bit Score: 43.02 E-value: 2.11e-05
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| SH3_PI3K_p85alpha | cd11910 | Src Homology 3 domain of the p85alpha regulatory subunit of Class IA Phosphatidylinositol ... |
745-799 | 2.20e-05 | ||||||||
Src Homology 3 domain of the p85alpha regulatory subunit of Class IA Phosphatidylinositol 3-kinases; Class I PI3Ks convert PtdIns(4,5)P2 to the critical second messenger PtdIns(3,4,5)P3. They are heterodimers and exist in multiple isoforms consisting of one catalytic subunit (out of four isoforms) and one of several regulatory subunits. Class IA PI3Ks associate with the p85 regulatory subunit family, which contains SH3, RhoGAP, and SH2 domains. The p85 subunits recruit the PI3K p110 catalytic subunit to the membrane, where p110 phosphorylates inositol lipids. Vertebrates harbor two p85 isoforms, called alpha and beta. In addition to regulating the p110 subunit, p85alpha interacts with activated FGFR3. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212843 Cd Length: 75 Bit Score: 43.35 E-value: 2.20e-05
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| PRK03918 | PRK03918 | DNA double-strand break repair ATPase Rad50; |
335-683 | 2.42e-05 | ||||||||
DNA double-strand break repair ATPase Rad50; Pssm-ID: 235175 [Multi-domain] Cd Length: 880 Bit Score: 48.52 E-value: 2.42e-05
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| DR0291 | COG1579 | Predicted nucleic acid-binding protein DR0291, contains C4-type Zn-ribbon domain [General ... |
364-524 | 2.43e-05 | ||||||||
Predicted nucleic acid-binding protein DR0291, contains C4-type Zn-ribbon domain [General function prediction only]; Pssm-ID: 441187 [Multi-domain] Cd Length: 236 Bit Score: 46.84 E-value: 2.43e-05
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| SH3_CIN85_1 | cd12052 | First Src Homology 3 domain (SH3A) of Cbl-interacting protein of 85 kDa; CIN85, also called ... |
749-795 | 2.57e-05 | ||||||||
First Src Homology 3 domain (SH3A) of Cbl-interacting protein of 85 kDa; CIN85, also called SH3 domain-containing kinase-binding protein 1 (SH3KBP1) or CD2-binding protein 3 (CD2BP3) or Ruk, is an adaptor protein that is involved in the downregulation of receptor tyrosine kinases by facilitating endocytosis through interaction with endophilin-associated ubiquitin ligase Cbl proteins. It is also important in many other cellular processes including vesicle-mediated transport, cytoskeletal remodelling, apoptosis, cell adhesion and migration, and viral infection, among others. CIN85 exists as multiple variants from alternative splicing; the main variant contains three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CIN85 to bind various protein partners and assemble complexes that have been implicated in many different functions. This alignment model represents the first SH3 domain (SH3A) of CIN85; SH3A binds to internal proline-rich motifs within the proline-rich region. This intramolecular interaction serves as a regulatory mechanism to keep CIN85 in a closed conformation, preventing the recruitment of other proteins. SH3A has also been shown to bind ubiquitin and to an atypical PXXXPR motif at the C-terminus of Cbl and the cytoplasmic end of the cell adhesion protein CD2. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212985 [Multi-domain] Cd Length: 53 Bit Score: 42.57 E-value: 2.57e-05
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| tolA | PRK09510 | cell envelope integrity inner membrane protein TolA; Provisional |
615-719 | 2.81e-05 | ||||||||
cell envelope integrity inner membrane protein TolA; Provisional Pssm-ID: 236545 [Multi-domain] Cd Length: 387 Bit Score: 47.49 E-value: 2.81e-05
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| SH3_Eve1_3 | cd11816 | Third Src homology 3 domain of ADAM-binding protein Eve-1; Eve-1, also called SH3 ... |
746-795 | 2.85e-05 | ||||||||
Third Src homology 3 domain of ADAM-binding protein Eve-1; Eve-1, also called SH3 domain-containing protein 19 (SH3D19) or EEN-binding protein (EBP), exists in multiple alternatively spliced isoforms. The longest isoform contains five SH3 domain in the C-terminal region and seven proline-rich motifs in the N-terminal region. It is abundantly expressed in skeletal muscle and heart, and may be involved in regulating the activity of ADAMs (A disintegrin and metalloproteases). Eve-1 interacts with EEN, an endophilin involved in endocytosis and may be the target of the MLL-EEN fusion protein that is implicated in leukemogenesis. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212750 [Multi-domain] Cd Length: 51 Bit Score: 42.39 E-value: 2.85e-05
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| DUF4670 | pfam15709 | Domain of unknown function (DUF4670); This family of proteins is found in eukaryotes. Proteins ... |
335-466 | 2.90e-05 | ||||||||
Domain of unknown function (DUF4670); This family of proteins is found in eukaryotes. Proteins in this family are typically between 373 and 763 amino acids in length. Pssm-ID: 464815 [Multi-domain] Cd Length: 522 Bit Score: 48.02 E-value: 2.90e-05
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| SH3_PSTPIP1 | cd11824 | Src homology 3 domain of Proline-Serine-Threonine Phosphatase-Interacting Protein 1; PSTPIP1, ... |
745-798 | 3.01e-05 | ||||||||
Src homology 3 domain of Proline-Serine-Threonine Phosphatase-Interacting Protein 1; PSTPIP1, also called CD2 Binding Protein 1 (CD2BP1), is mainly expressed in hematopoietic cells. It is a binding partner of the cell surface receptor CD2 and PTP-PEST, a tyrosine phosphatase which functions in cell motility and Rac1 regulation. It also plays a role in the activation of the Wiskott-Aldrich syndrome protein (WASP), which couples actin rearrangement and T cell activation. Mutations in the gene encoding PSTPIP1 cause the autoinflammatory disorder known as PAPA (pyogenic sterile arthritis, pyoderma gangrenosum, and acne) syndrome. PSTPIP1 contains an N-terminal F-BAR domain, PEST motifs, and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212758 [Multi-domain] Cd Length: 53 Bit Score: 42.36 E-value: 3.01e-05
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| PRK02224 | PRK02224 | DNA double-strand break repair Rad50 ATPase; |
350-685 | 3.18e-05 | ||||||||
DNA double-strand break repair Rad50 ATPase; Pssm-ID: 179385 [Multi-domain] Cd Length: 880 Bit Score: 48.11 E-value: 3.18e-05
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| PTZ00266 | PTZ00266 | NIMA-related protein kinase; Provisional |
355-461 | 3.18e-05 | ||||||||
NIMA-related protein kinase; Provisional Pssm-ID: 173502 [Multi-domain] Cd Length: 1021 Bit Score: 48.19 E-value: 3.18e-05
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| SH3_STAM2 | cd11963 | Src homology 3 domain of Signal Transducing Adaptor Molecule 2; STAM2, also called EAST ... |
746-795 | 3.24e-05 | ||||||||
Src homology 3 domain of Signal Transducing Adaptor Molecule 2; STAM2, also called EAST (Epidermal growth factor receptor-associated protein with SH3 and TAM domain) or Hbp (Hrs binding protein), is part of the endosomal sorting complex required for transport (ESCRT-0). It plays a role in sorting mono-ubiquinated endosomal cargo for trafficking to the lysosome for degradation. It is also involved in the regulation of exocytosis. STAMs were discovered as proteins that are highly phosphorylated following cytokine and growth factor stimulation. They function in cytokine signaling and surface receptor degradation, as well as regulate Golgi morphology. They associate with many proteins including Jak2 and Jak3 tyrosine kinases, Hrs, AMSH, and UBPY. STAM adaptor proteins contain VHS (Vps27, Hrs, STAM homology), ubiquitin interacting (UIM), and SH3 domains. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212896 [Multi-domain] Cd Length: 57 Bit Score: 42.31 E-value: 3.24e-05
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| SH3_Abi2 | cd11972 | Src homology 3 domain of Abl Interactor 2; Abi2 is highly expressed in the brain and eye. It ... |
747-799 | 3.37e-05 | ||||||||
Src homology 3 domain of Abl Interactor 2; Abi2 is highly expressed in the brain and eye. It regulates actin cytoskeletal reorganization at adherens junctions and dendritic spines, which is important in cell morphogenesis, migration, and cognitive function. Mice deficient with Abi2 show defects in orientation and migration of lens fibers, neuronal migration, dendritic spine morphology, as well as deficits in learning and memory. Abi proteins are adaptor proteins serving as binding partners and substrates of Abl tyrosine kinases. They are involved in regulating actin cytoskeletal reorganization and play important roles in membrane-ruffling, endocytosis, cell motility, and cell migration. Abi proteins contain a homeobox homology domain, a proline-rich region, and a SH3 domain. The SH3 domain of Abi binds to a PxxP motif in Abl. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212905 [Multi-domain] Cd Length: 61 Bit Score: 42.69 E-value: 3.37e-05
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| PRK02224 | PRK02224 | DNA double-strand break repair Rad50 ATPase; |
326-686 | 3.43e-05 | ||||||||
DNA double-strand break repair Rad50 ATPase; Pssm-ID: 179385 [Multi-domain] Cd Length: 880 Bit Score: 48.11 E-value: 3.43e-05
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| SH3_Intersectin_2 | cd11837 | Second Src homology 3 domain (or SH3B) of Intersectin; Intersectins (ITSNs) are adaptor ... |
745-795 | 3.47e-05 | ||||||||
Second Src homology 3 domain (or SH3B) of Intersectin; Intersectins (ITSNs) are adaptor proteins that function in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. They are essential for initiating clathrin-coated pit formation. They bind to many proteins through their multidomain structure and facilitate the assembly of multimeric complexes. Vertebrates contain two ITSN proteins, ITSN1 and ITSN2, which exist in alternatively spliced short and long isoforms. The short isoforms contain two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoforms, in addition, contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. ITSN1 and ITSN2 are both widely expressed, with variations depending on tissue type and stage of development. The second SH3 domain (or SH3B) of ITSN1 has been shown to bind WNK and CdGAP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212771 [Multi-domain] Cd Length: 53 Bit Score: 42.35 E-value: 3.47e-05
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| SH3_GRB2_C | cd11949 | C-terminal Src homology 3 domain of Growth factor receptor-bound protein 2; GRB2 is a critical ... |
744-795 | 3.48e-05 | ||||||||
C-terminal Src homology 3 domain of Growth factor receptor-bound protein 2; GRB2 is a critical signaling molecule that regulates the Ras pathway by linking tyrosine kinases to the Ras guanine nucleotide releasing protein Sos (son of sevenless), which converts Ras to the active GTP-bound state. It is ubiquitously expressed in all tissues throughout development and is important in cell cycle progression, motility, morphogenesis, and angiogenesis. In lymphocytes, GRB2 is associated with antigen receptor signaling components. GRB2 contains an N-terminal SH3 domain, a central SH2 domain, and a C-terminal SH3 domain. The C-terminal SH3 domain of GRB2 binds to Gab2 (Grb2-associated binder 2) through epitopes containing RxxK motifs, as well as to the proline-rich C-terminus of FGRF2. SH3 domains are protein interaction domains that typically bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212882 [Multi-domain] Cd Length: 53 Bit Score: 42.13 E-value: 3.48e-05
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| SH3_Intersectin2_3 | cd11992 | Third Src homology 3 domain (or SH3C) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor ... |
745-795 | 3.60e-05 | ||||||||
Third Src homology 3 domain (or SH3C) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN2 also functions as a specific GEF for Cdc42 activation in epithelial morphogenesis, and is required in mitotic spindle orientation. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The third SH3 domain (SH3C) of ITSN2 has been shown to bind the K15 protein of Kaposi's sarcoma-associated herpesvirus. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212925 Cd Length: 52 Bit Score: 42.31 E-value: 3.60e-05
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| SH3_SGSM3 | cd11813 | Src Homology 3 domain of Small G protein Signaling Modulator 3; SGSM3 is also called ... |
746-797 | 3.89e-05 | ||||||||
Src Homology 3 domain of Small G protein Signaling Modulator 3; SGSM3 is also called Merlin-associated protein (MAP), RUN and SH3 domain-containing protein (RUSC3), RUN and TBC1 domain-containing protein 3 (RUTBC3), Rab GTPase-activating protein 5 (RabGAP5), or Rab GAP-like protein (RabGAPLP). It is expressed ubiquitously and functions as a regulator of small G protein RAP- and RAB-mediated neuronal signaling. It is involved in modulating NGF-mediated neurite outgrowth and differentiation. It also interacts with the tumor suppressor merlin and may play a role in the merlin-associated suppression of cell growth. SGSM3 contains TBC, SH3, and RUN domains. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212747 Cd Length: 53 Bit Score: 42.10 E-value: 3.89e-05
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| SH3_BOI | cd11886 | Src Homology 3 domain of fungal BOI-like proteins; This subfamily includes the Saccharomyces ... |
744-795 | 4.12e-05 | ||||||||
Src Homology 3 domain of fungal BOI-like proteins; This subfamily includes the Saccharomyces cerevisiae proteins BOI1 and BOI2, and similar proteins. They contain an N-terminal SH3 domain, a Sterile alpha motif (SAM), and a Pleckstrin homology (PH) domain at the C-terminus. BOI1 and BOI2 interact with the SH3 domain of Bem1p, a protein involved in bud formation. They promote polarized cell growth and participates in the NoCut signaling pathway, which is involved in the control of cytokinesis. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212819 Cd Length: 55 Bit Score: 41.93 E-value: 4.12e-05
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| SH3_Src_like | cd11845 | Src homology 3 domain of Src kinase-like Protein Tyrosine Kinases; Src subfamily members ... |
745-795 | 4.32e-05 | ||||||||
Src homology 3 domain of Src kinase-like Protein Tyrosine Kinases; Src subfamily members include Src, Lck, Hck, Blk, Lyn, Fgr, Fyn, Yrk, Yes, and Brk. Src (or c-Src) proteins are cytoplasmic (or non-receptor) PTKs which are anchored to the plasma membrane. They contain an N-terminal SH4 domain with a myristoylation site, followed by SH3 and SH2 domains, a tyr kinase domain, and a regulatory C-terminal region containing a conserved tyr. They are activated by autophosphorylation at the tyr kinase domain, but are negatively regulated by phosphorylation at the C-terminal tyr by Csk (C-terminal Src Kinase). However, Brk lacks the N-terminal myristoylation sites. Src proteins are involved in signaling pathways that regulate cytokine and growth factor responses, cytoskeleton dynamics, cell proliferation, survival, and differentiation. They were identified as the first proto-oncogene products, and they regulate cell adhesion, invasion, and motility in cancer cells, and tumor vasculature, contributing to cancer progression and metastasis. Src kinases are overexpressed in a variety of human cancers, making them attractive targets for therapy. They are also implicated in acute inflammatory responses and osteoclast function. Src, Fyn, Yes, and Yrk are widely expressed, while Blk, Lck, Hck, Fgr, Lyn, and Brk show a limited expression pattern. This subfamily also includes Drosophila Src42A, Src oncogene at 42A (also known as Dsrc41) which accumulates at sites of cell-cell or cell-matrix adhesion, and participates in Drosphila development and wound healing. It has been shown to promote tube elongation in the tracheal system, is essential for proper cell-cell matching during dorsal closure, and regulates cell-cell contacts in developing Drosophila eyes. The SH3 domain of Src kinases contributes to substrate recruitment by binding adaptor proteins/substrates, and regulation of kinase activity through an intramolecular interaction. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212779 [Multi-domain] Cd Length: 52 Bit Score: 41.80 E-value: 4.32e-05
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| tolA | PRK09510 | cell envelope integrity inner membrane protein TolA; Provisional |
574-686 | 4.45e-05 | ||||||||
cell envelope integrity inner membrane protein TolA; Provisional Pssm-ID: 236545 [Multi-domain] Cd Length: 387 Bit Score: 47.11 E-value: 4.45e-05
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| ARGLU | pfam15346 | Arginine and glutamate-rich 1; ARGLU, arginine and glutamate-rich 1 protein family, is ... |
325-474 | 4.65e-05 | ||||||||
Arginine and glutamate-rich 1; ARGLU, arginine and glutamate-rich 1 protein family, is required for the oestrogen-dependent expression of ESR1 target genes. It functions in cooperation with MED1. The family of proteins is found in eukaryotes. Pssm-ID: 405931 [Multi-domain] Cd Length: 151 Bit Score: 44.66 E-value: 4.65e-05
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| Mplasa_alph_rch | TIGR04523 | helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of ... |
452-667 | 4.90e-05 | ||||||||
helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of Mycoplasma species. Members average 750 amino acids in length, including signal peptide. Sequences are predicted (Jpred 3) to be almost entirely alpha-helical. These sequences show strong periodicity (consistent with long alpha helical structures) and low complexity rich in D,E,N,Q, and K. Genes encoding these proteins are often found in tandem. The function is unknown. Pssm-ID: 275316 [Multi-domain] Cd Length: 745 Bit Score: 47.32 E-value: 4.90e-05
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| SH3_GRAF | cd12064 | Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase; GRAF, also ... |
746-797 | 5.22e-05 | ||||||||
Src Homology 3 domain of GTPase Regulator Associated with Focal adhesion kinase; GRAF, also called Rho GTPase activating protein 26 (ARHGAP26), Oligophrenin-1-like (OPHN1L) or GRAF1, is a GAP with activity towards RhoA and Cdc42 and is only weakly active towards Rac1. It influences Rho-mediated cytoskeletal rearrangements and binds focal adhesion kinase (FAK), which is a critical component of integrin signaling. It is essential for the major clathrin-independent endocytic pathway mediated by pleiomorphic membranes. GRAF contains an N-terminal BAR domain, followed by a Pleckstrin homology (PH) domain, a Rho GAP domain, and a C-terminal SH3 domain. The SH3 domain of GRAF binds PKNbeta, a target of the small GTPase Rho. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212997 Cd Length: 56 Bit Score: 42.02 E-value: 5.22e-05
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| PRK12704 | PRK12704 | phosphodiesterase; Provisional |
363-512 | 5.42e-05 | ||||||||
phosphodiesterase; Provisional Pssm-ID: 237177 [Multi-domain] Cd Length: 520 Bit Score: 47.08 E-value: 5.42e-05
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| SH3_FCHSD_1 | cd11761 | First Src Homology 3 domain of FCH and double SH3 domains proteins; This group is composed of ... |
747-798 | 6.29e-05 | ||||||||
First Src Homology 3 domain of FCH and double SH3 domains proteins; This group is composed of FCH and double SH3 domains protein 1 (FCHSD1) and FCHSD2. These proteins have a common domain structure consisting of an N-terminal F-BAR (FES-CIP4 Homology and Bin/Amphiphysin/Rvs), two SH3, and C-terminal proline-rich domains. They have only been characterized in silico and their functions remain unknown. This group also includes the insect protein, nervous wreck, which acts as a regulator of synaptic growth signaling. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212695 [Multi-domain] Cd Length: 57 Bit Score: 41.58 E-value: 6.29e-05
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| GBP_C | cd16269 | Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal ... |
331-414 | 6.55e-05 | ||||||||
Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal domain. Guanylate-binding proteins (GBPs) are synthesized after activation of the cell by interferons. The biochemical properties of GBPs are clearly different from those of Ras-like and heterotrimeric GTP-binding proteins. They bind guanine nucleotides with low affinity (micromolar range), are stable in their absence, and have a high turnover GTPase. In addition to binding GDP/GTP, they have the unique ability to bind GMP with equal affinity and hydrolyze GTP not only to GDP, but also to GMP. This C-terminal domain has been shown to mediate inhibition of endothelial cell proliferation by inflammatory cytokines. Pssm-ID: 293879 [Multi-domain] Cd Length: 291 Bit Score: 46.03 E-value: 6.55e-05
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| SH3_Sla1p_1 | cd11773 | First Src Homology 3 domain of the fungal endocytic adaptor protein Sla1p; Sla1p facilitates ... |
745-795 | 6.65e-05 | ||||||||
First Src Homology 3 domain of the fungal endocytic adaptor protein Sla1p; Sla1p facilitates endocytosis by playing a role as an adaptor protein in coupling components of the actin cytoskeleton to the endocytic machinery. It interacts with Abp1p, Las17p and Pan1p, which are activator proteins of actin-related protein 2/3 (Arp2/3). Sla1p contains multiple domains including three SH3 domains, a SAM (sterile alpha motif) domain, and a Sla1 homology domain 1 (SHD1), which binds to the NPFXD motif that is found in many integral membrane proteins such as the Golgi-localized Arf-binding protein Lsb5p and the P4-ATPases, Drs2p and Dnf1p. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212707 [Multi-domain] Cd Length: 57 Bit Score: 41.64 E-value: 6.65e-05
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| COG4913 | COG4913 | Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; |
335-672 | 6.83e-05 | ||||||||
Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; Pssm-ID: 443941 [Multi-domain] Cd Length: 1089 Bit Score: 47.22 E-value: 6.83e-05
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| SMC_prok_A | TIGR02169 | chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of ... |
328-525 | 7.19e-05 | ||||||||
chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. It is found in a single copy and is homodimeric in prokaryotes, but six paralogs (excluded from this family) are found in eukarotes, where SMC proteins are heterodimeric. This family represents the SMC protein of archaea and a few bacteria (Aquifex, Synechocystis, etc); the SMC of other bacteria is described by TIGR02168. The N- and C-terminal domains of this protein are well conserved, but the central hinge region is skewed in composition and highly divergent. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274009 [Multi-domain] Cd Length: 1164 Bit Score: 46.98 E-value: 7.19e-05
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| SH3_CIP4_Bzz1_like | cd11777 | Src Homology 3 domain of Cdc42-Interacting Protein 4, Bzz1 and similar domains; This subfamily ... |
746-796 | 7.25e-05 | ||||||||
Src Homology 3 domain of Cdc42-Interacting Protein 4, Bzz1 and similar domains; This subfamily is composed of Cdc42-Interacting Protein 4 (CIP4) and similar proteins such as Formin Binding Protein 17 (FBP17) and FormiN Binding Protein 1-Like (FNBP1L), as well as yeast Bzz1 (or Bzz1p). CIP4 and FNBP1L are Cdc42 effectors that bind Wiskott-Aldrich syndrome protein (WASP) and function in endocytosis. CIP4 and FBP17 bind to the Fas ligand and may be implicated in the inflammatory response. CIP4 may also play a role in phagocytosis. Bzz1 is also a WASP/Las17-interacting protein involved in endocytosis and trafficking to the vacuole. It physically interacts with type I myosins and functions in the early steps of endocytosis. Members of this subfamily contain an N-terminal F-BAR (FES-CIP4 Homology and Bin/Amphiphysin/Rvs) domain as well as at least one C-terminal SH3 domain. Bzz1 contains a second SH3 domain at the C-terminus. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212711 [Multi-domain] Cd Length: 55 Bit Score: 41.44 E-value: 7.25e-05
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| COG4372 | COG4372 | Uncharacterized protein, contains DUF3084 domain [Function unknown]; |
353-659 | 7.57e-05 | ||||||||
Uncharacterized protein, contains DUF3084 domain [Function unknown]; Pssm-ID: 443500 [Multi-domain] Cd Length: 370 Bit Score: 46.05 E-value: 7.57e-05
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| SH3_FCHSD_2 | cd11762 | Second Src Homology 3 domain of FCH and double SH3 domains proteins; This group is composed of ... |
744-793 | 9.75e-05 | ||||||||
Second Src Homology 3 domain of FCH and double SH3 domains proteins; This group is composed of FCH and double SH3 domains protein 1 (FCHSD1) and FCHSD2. These proteins have a common domain structure consisting of an N-terminal F-BAR (FES-CIP4 Homology and Bin/Amphiphysin/Rvs), two SH3, and C-terminal proline-rich domains. They have only been characterized in silico and their functions remain unknown. This group also includes the insect protein, nervous wreck, which acts as a regulator of synaptic growth signaling. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212696 [Multi-domain] Cd Length: 57 Bit Score: 41.23 E-value: 9.75e-05
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| SH3_Tks5_2 | cd12077 | Second Src homology 3 domain of Tyrosine kinase substrate with five SH3 domains; Tks5, also ... |
745-798 | 1.04e-04 | ||||||||
Second Src homology 3 domain of Tyrosine kinase substrate with five SH3 domains; Tks5, also called SH3 and PX domain-containing protein 2A (SH3PXD2A) or Five SH (FISH), is a scaffolding protein and Src substrate that is localized in podosomes, which are electron-dense structures found in Src-transformed fibroblasts, osteoclasts, macrophages, and some invasive cancer cells. It binds and regulates some members of the ADAMs family of transmembrane metalloproteases, which function as sheddases and mediators of cell and matrix interactions. It is required for podosome formation, degradation of the extracellular matrix, and cancer cell invasion. Tks5 contains an N-terminal Phox homology (PX) domain and five SH3 domains. This model characterizes the second SH3 domain of Tks5. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 213010 Cd Length: 54 Bit Score: 40.79 E-value: 1.04e-04
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| DUF4686 | pfam15742 | Domain of unknown function (DUF4686); This family of proteins is found in eukaryotes. Proteins ... |
367-682 | 1.31e-04 | ||||||||
Domain of unknown function (DUF4686); This family of proteins is found in eukaryotes. Proteins in this family are typically between 498 and 775 amino acids in length. There is a conserved DLK sequence motif. Pssm-ID: 464838 [Multi-domain] Cd Length: 384 Bit Score: 45.44 E-value: 1.31e-04
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| SH3_SH3RF3_1 | cd11928 | First Src Homology 3 domain of SH3 domain containing ring finger 3, an E3 ubiquitin-protein ... |
744-797 | 1.47e-04 | ||||||||
First Src Homology 3 domain of SH3 domain containing ring finger 3, an E3 ubiquitin-protein ligase; SH3RF3 is also called POSH2 (Plenty of SH3s 2) or SH3MD4 (SH3 multiple domains protein 4). It is a scaffold protein with E3 ubiquitin-protein ligase activity. It was identified in the screen for interacting partners of p21-activated kinase 2 (PAK2). It may play a role in regulating JNK mediated apoptosis in certain conditions. It also interacts with GTP-loaded Rac1. SH3RF3 is highly homologous to SH3RF1; it also contains an N-terminal RING finger domain and four SH3 domains. This model represents the first SH3 domain, located at the N-terminal half, of SH3RF3. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212861 Cd Length: 54 Bit Score: 40.68 E-value: 1.47e-04
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| DDRGK | pfam09756 | DDRGK domain; This is a family of proteins of approximately 300 residues, found in plants and ... |
366-501 | 1.53e-04 | ||||||||
DDRGK domain; This is a family of proteins of approximately 300 residues, found in plants and vertebrates. They contain a highly conserved DDRGK motif. Pssm-ID: 370664 [Multi-domain] Cd Length: 188 Bit Score: 43.88 E-value: 1.53e-04
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| PRK02224 | PRK02224 | DNA double-strand break repair Rad50 ATPase; |
335-613 | 1.57e-04 | ||||||||
DNA double-strand break repair Rad50 ATPase; Pssm-ID: 179385 [Multi-domain] Cd Length: 880 Bit Score: 45.80 E-value: 1.57e-04
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| SH3_Bzz1_1 | cd11912 | First Src Homology 3 domain of Bzz1 and similar domains; Bzz1 (or Bzz1p) is a WASP ... |
746-797 | 1.74e-04 | ||||||||
First Src Homology 3 domain of Bzz1 and similar domains; Bzz1 (or Bzz1p) is a WASP/Las17-interacting protein involved in endocytosis and trafficking to the vacuole. It physically interacts with type I myosins and functions in the early steps of endocytosis. Together with other proteins, it induces membrane scission in yeast. Bzz1 contains an N-terminal F-BAR (FES-CIP4 Homology and Bin/Amphiphysin/Rvs), a central coiled-coil, and two C-terminal SH3 domains. This model represents the first C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212845 [Multi-domain] Cd Length: 55 Bit Score: 40.28 E-value: 1.74e-04
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| CCDC34 | pfam13904 | Coiled-coil domain-containing protein 3; This family is found in eukaryotes; it has several ... |
366-491 | 1.78e-04 | ||||||||
Coiled-coil domain-containing protein 3; This family is found in eukaryotes; it has several conserved tryptophan residues. The function is not known. Pssm-ID: 464032 [Multi-domain] Cd Length: 221 Bit Score: 43.93 E-value: 1.78e-04
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| PRK12704 | PRK12704 | phosphodiesterase; Provisional |
336-416 | 1.88e-04 | ||||||||
phosphodiesterase; Provisional Pssm-ID: 237177 [Multi-domain] Cd Length: 520 Bit Score: 45.15 E-value: 1.88e-04
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| SH3_Sdc25 | cd11883 | Src Homology 3 domain of Sdc25/Cdc25 guanine nucleotide exchange factors; This subfamily is ... |
746-795 | 1.88e-04 | ||||||||
Src Homology 3 domain of Sdc25/Cdc25 guanine nucleotide exchange factors; This subfamily is composed of the Saccharomyces cerevisiae guanine nucleotide exchange factors (GEFs) Sdc25 and Cdc25, and similar proteins. These GEFs regulate Ras by stimulating the GDP/GTP exchange on Ras. Cdc25 is involved in the Ras/PKA pathway that plays an important role in the regulation of metabolism, stress responses, and proliferation, depending on available nutrients and conditions. Proteins in this subfamily contain an N-terminal SH3 domain as well as REM (Ras exchanger motif) and RasGEF domains at the C-terminus. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212816 Cd Length: 55 Bit Score: 40.34 E-value: 1.88e-04
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| SH3_UBASH3B | cd11936 | Src homology 3 domain of Ubiquitin-associated and SH3 domain-containing protein B; UBASH3B, ... |
746-798 | 1.91e-04 | ||||||||
Src homology 3 domain of Ubiquitin-associated and SH3 domain-containing protein B; UBASH3B, also called Suppressor of T cell receptor Signaling (STS)-1 or T cell Ubiquitin LigAnd (TULA)-2 is an active phosphatase that is expressed ubiquitously. The phosphatase activity of UBASH3B is essential for its roles in the suppression of TCR signaling and the regulation of EGFR. It also interacts with Syk and functions as a negative regulator of platelet glycoprotein VI signaling. TULA proteins contain an N-terminal UBA domain, a central SH3 domain, and a C-terminal histidine phosphatase domain. They bind c-Cbl through the SH3 domain and to ubiquitin via UBA. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212869 Cd Length: 62 Bit Score: 40.41 E-value: 1.91e-04
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| rad50 | TIGR00606 | rad50; All proteins in this family for which functions are known are involvedin recombination, ... |
370-686 | 2.01e-04 | ||||||||
rad50; All proteins in this family for which functions are known are involvedin recombination, recombinational repair, and/or non-homologous end joining.They are components of an exonuclease complex with MRE11 homologs. This family is distantly related to the SbcC family of bacterial proteins.This family is based on the phylogenomic analysis of JA Eisen (1999, Ph.D. Thesis, Stanford University). Pssm-ID: 129694 [Multi-domain] Cd Length: 1311 Bit Score: 45.42 E-value: 2.01e-04
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| Myosin_tail_1 | pfam01576 | Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and ... |
327-708 | 2.08e-04 | ||||||||
Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and four light chains it is a fundamental contractile protein found in all eukaryote cell types. This family consists of the coiled-coil myosin heavy chain tail region. The coiled-coil is composed of the tail from two molecules of myosin. These can then assemble into the macromolecular thick filament. The coiled-coil region provides the structural backbone the thick filament. Pssm-ID: 460256 [Multi-domain] Cd Length: 1081 Bit Score: 45.55 E-value: 2.08e-04
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| SH3_DNMBP_N4 | cd11797 | Fourth N-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba; DNMBP or ... |
744-792 | 2.17e-04 | ||||||||
Fourth N-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba; DNMBP or Tuba is a cdc42-specific guanine nucleotide exchange factor (GEF) that contains four N-terminal SH3 domains, a central RhoGEF [or Dbl homology (DH)] domain followed by a Bin/Amphiphysin/Rvs (BAR) domain, and two C-terminal SH3 domains. It provides a functional link between dynamin and key regulatory proteins of the actin cytoskeleton. It plays an important role in regulating cell junction configuration. The four N-terminal SH3 domains of DNMBP bind the GTPase dynamin, which plays an important role in the fission of endocytic vesicles. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212731 Cd Length: 50 Bit Score: 39.71 E-value: 2.17e-04
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| SH3_Intersectin1_2 | cd11989 | Second Src homology 3 domain (or SH3B) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor ... |
746-797 | 2.19e-04 | ||||||||
Second Src homology 3 domain (or SH3B) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN1 localizes in membranous organelles, CCPs, the Golgi complex, and may be involved in the cell membrane trafficking system. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The second SH3 domain (or SH3B) of ITSN1 has been shown to bind WNK and CdGAP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212922 [Multi-domain] Cd Length: 52 Bit Score: 40.08 E-value: 2.19e-04
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| mukB | PRK04863 | chromosome partition protein MukB; |
351-659 | 2.23e-04 | ||||||||
chromosome partition protein MukB; Pssm-ID: 235316 [Multi-domain] Cd Length: 1486 Bit Score: 45.33 E-value: 2.23e-04
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| HlpA | COG2825 | Periplasmic chaperone for outer membrane proteins, Skp family [Cell wall/membrane/envelope ... |
335-416 | 2.38e-04 | ||||||||
Periplasmic chaperone for outer membrane proteins, Skp family [Cell wall/membrane/envelope biogenesis, Posttranslational modification, protein turnover, chaperones]; Pssm-ID: 442073 [Multi-domain] Cd Length: 171 Bit Score: 42.90 E-value: 2.38e-04
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| SH3_SNX18 | cd11897 | Src Homology 3 domain of Sorting nexin 18; SNX18 is localized to peripheral endosomal ... |
746-797 | 2.52e-04 | ||||||||
Src Homology 3 domain of Sorting nexin 18; SNX18 is localized to peripheral endosomal structures, and acts in a trafficking pathway that is clathrin-independent but relies on AP-1 and PACS1. It binds FIP5 and is required for apical lumen formation. It may also play a role in axonal elongation. SNXs are Phox homology (PX) domain containing proteins that are involved in regulating membrane traffic and protein sorting in the endosomal system. SNX18 also contains BAR and SH3 domains. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212830 [Multi-domain] Cd Length: 55 Bit Score: 39.97 E-value: 2.52e-04
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| RIB43A | pfam05914 | RIB43A; This family consists of several RIB43A-like eukaryotic proteins. Ciliary and flagellar ... |
375-685 | 2.90e-04 | ||||||||
RIB43A; This family consists of several RIB43A-like eukaryotic proteins. Ciliary and flagellar microtubules contain a specialized set of protofilaments, termed ribbons, that are composed of tubulin and several associated proteins. RIB43A was first characterized in the unicellular biflagellate, Chlamydomonas reinhardtii although highly related sequences are present in several higher eukaryotes including humans. The function of this protein is unknown although the structure of RIB43A and its association with the specialized protofilament ribbons and with basal bodies is relevant to the proposed role of ribbons in forming and stabilising doublet and triplet microtubules and in organizing their three-dimensional structure. Human RIB43A homologs could represent a structural requirement in centriole replication in dividing cells. Pssm-ID: 461780 [Multi-domain] Cd Length: 372 Bit Score: 44.50 E-value: 2.90e-04
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| SH3_Intersectin1_5 | cd11995 | Fifth Src homology 3 domain (or SH3E) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor ... |
747-797 | 2.92e-04 | ||||||||
Fifth Src homology 3 domain (or SH3E) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN1 localizes in membranous organelles, CCPs, the Golgi complex, and may be involved in the cell membrane trafficking system. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The fifth SH3 domain (or SH3E) of ITSN1 has been shown to bind many protein partners including SGIP1, Sos1, dynamin1/2, CIN85, c-Cbl, SHIP2, N-WASP, and synaptojanin-1, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212928 [Multi-domain] Cd Length: 54 Bit Score: 39.55 E-value: 2.92e-04
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| SH3_p67phox_C | cd12046 | C-terminal (or second) Src Homology 3 domain of the p67phox subunit of NADPH oxidase; p67phox, ... |
747-797 | 2.96e-04 | ||||||||
C-terminal (or second) Src Homology 3 domain of the p67phox subunit of NADPH oxidase; p67phox, also called Neutrophil cytosol factor 2 (NCF-2), is a cytosolic subunit of the phagocytic NADPH oxidase complex (also called Nox2 or gp91phox) which plays a crucial role in the cellular response to bacterial infection. NADPH oxidase catalyzes the transfer of electrons from NADPH to oxygen during phagocytosis forming superoxide and reactive oxygen species. p67phox plays a regulatory role and contains N-terminal TPR, first SH3 (or N-terminal or central SH3), PB1, and C-terminal SH3 domains. It binds, via its C-terminal SH3 domain, to a proline-rich region of p47phox and upon activation, this complex assembles with flavocytochrome b558, the Nox2-p22phox heterodimer. Concurrently, RacGTP translocates to the membrane and interacts with the TPR domain of p67phox, which leads to the activation of NADPH oxidase. The PB1 domain of p67phox binds to its partner PB1 domain in p40phox, and this facilitates the assembly of p47phox-p67phox at the membrane. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212979 [Multi-domain] Cd Length: 53 Bit Score: 39.40 E-value: 2.96e-04
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| CCDC34 | pfam13904 | Coiled-coil domain-containing protein 3; This family is found in eukaryotes; it has several ... |
550-686 | 3.22e-04 | ||||||||
Coiled-coil domain-containing protein 3; This family is found in eukaryotes; it has several conserved tryptophan residues. The function is not known. Pssm-ID: 464032 [Multi-domain] Cd Length: 221 Bit Score: 43.15 E-value: 3.22e-04
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| Nop53 | pfam07767 | Nop53 (60S ribosomal biogenesis); This nucleolar family of proteins are involved in 60S ... |
363-497 | 3.32e-04 | ||||||||
Nop53 (60S ribosomal biogenesis); This nucleolar family of proteins are involved in 60S ribosomal biogenesis. They are specifically involved in the processing beyond the 27S stage of 25S rRNA maturation. This family contains sequences that bear similarity to the glioma tumour suppressor candidate region gene 2 protein (p60). This protein has been found to interact with herpes simplex type 1 regulatory proteins. Pssm-ID: 462259 [Multi-domain] Cd Length: 353 Bit Score: 44.21 E-value: 3.32e-04
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| SH3_Intersectin2_5 | cd11996 | Fifth Src homology 3 domain (or SH3E) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor ... |
747-797 | 3.46e-04 | ||||||||
Fifth Src homology 3 domain (or SH3E) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN2 also functions as a specific GEF for Cdc42 activation in epithelial morphogenesis, and is required in mitotic spindle orientation. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The fifth SH3 domain (or SH3E) of ITSN2 is expected to bind protein partners, similar to ITSN1 which has been shown to bind many protein partners including SGIP1, Sos1, dynamin1/2, CIN85, c-Cbl, SHIP2, N-WASP, and synaptojanin-1, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212929 [Multi-domain] Cd Length: 54 Bit Score: 39.58 E-value: 3.46e-04
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| SH3_Shank3 | cd11984 | Src homology 3 domain of SH3 and multiple ankyrin repeat domains protein 3; Shank3, also ... |
747-794 | 3.50e-04 | ||||||||
Src homology 3 domain of SH3 and multiple ankyrin repeat domains protein 3; Shank3, also called ProSAP2 (Proline-rich synapse-associated protein 2), is widely expressed. It plays a role in the formation of dendritic spines and synapses. Haploinsufficiency of the Shank3 gene causes the 22q13 deletion/Phelan-McDermid syndrome, and variants of Shank3 have been implicated in autism spectrum disorder, schizophrenia, and intellectual disability. Shank proteins carry scaffolding functions through multiple sites of protein-protein interaction in its domain architecture, including ankyrin (ANK) repeats, a long proline rich region, as well as SH3, PDZ, and SAM domains. The SH3 domain of Shank binds GRIP, a scaffold protein that binds AMPA receptors and Eph receptors/ligands. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212917 Cd Length: 52 Bit Score: 39.55 E-value: 3.50e-04
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| SH3_GRB2_N | cd11946 | N-terminal Src homology 3 domain of Growth factor receptor-bound protein 2; GRB2 is a critical ... |
747-797 | 3.50e-04 | ||||||||
N-terminal Src homology 3 domain of Growth factor receptor-bound protein 2; GRB2 is a critical signaling molecule that regulates the Ras pathway by linking tyrosine kinases to the Ras guanine nucleotide releasing protein Sos (son of sevenless), which converts Ras to the active GTP-bound state. It is ubiquitously expressed in all tissues throughout development and is important in cell cycle progression, motility, morphogenesis, and angiogenesis. In lymphocytes, GRB2 is associated with antigen receptor signaling components. GRB2 contains an N-terminal SH3 domain, a central SH2 domain, and a C-terminal SH3 domain. Its N-terminal SH3 domain binds to Sos and Sos-derived proline-rich peptides. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212879 [Multi-domain] Cd Length: 56 Bit Score: 39.62 E-value: 3.50e-04
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| SH3_Sorbs1_1 | cd11919 | First Src Homology 3 domain of Sorbin and SH3 domain containing 1 (Sorbs1), also called ponsin; ... |
746-799 | 3.56e-04 | ||||||||
First Src Homology 3 domain of Sorbin and SH3 domain containing 1 (Sorbs1), also called ponsin; Sorbs1 is also called ponsin, SH3P12, or CAP (c-Cbl associated protein). It is an adaptor protein containing one sorbin homology (SoHo) and three SH3 domains. It binds Cbl and plays a major role in regulating the insulin signaling pathway by enhancing insulin-induced phosphorylation of Cbl. Sorbs1, like vinexin, localizes at cell-ECM and cell-cell adhesion sites where it binds vinculin, paxillin, and afadin. It may function in the control of cell motility. Other interaction partners of Sorbs1 include c-Abl, Sos, flotillin, Grb4, ataxin-7, filamin C, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212852 [Multi-domain] Cd Length: 55 Bit Score: 39.56 E-value: 3.56e-04
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| SH3_DNMBP_N3 | cd11796 | Third N-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba; DNMBP or ... |
746-795 | 3.63e-04 | ||||||||
Third N-terminal Src homology 3 domain of Dynamin Binding Protein, also called Tuba; DNMBP or Tuba is a cdc42-specific guanine nucleotide exchange factor (GEF) that contains four N-terminal SH3 domains, a central RhoGEF [or Dbl homology (DH)] domain followed by a Bin/Amphiphysin/Rvs (BAR) domain, and two C-terminal SH3 domains. It provides a functional link between dynamin and key regulatory proteins of the actin cytoskeleton. It plays an important role in regulating cell junction configuration. The four N-terminal SH3 domains of DNMBP binds the GTPase dynamin, which plays an important role in the fission of endocytic vesicles. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212730 Cd Length: 51 Bit Score: 39.26 E-value: 3.63e-04
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| TPH | pfam13868 | Trichohyalin-plectin-homology domain; This family is a mixtrue of two different families of ... |
336-457 | 3.78e-04 | ||||||||
Trichohyalin-plectin-homology domain; This family is a mixtrue of two different families of eukaryotic proteins. Trichoplein or mitostatin, was first defined as a meiosis-specific nuclear structural protein. It has since been linked with mitochondrial movement. It is associated with the mitochondrial outer membrane, and over-expression leads to reduction in mitochondrial motility whereas lack of it enhances mitochondrial movement. The activity appears to be mediated through binding the mitochondria to the actin intermediate filaments (IFs). The family is in the trichohyalin-plectin-homology domain. Pssm-ID: 464007 [Multi-domain] Cd Length: 341 Bit Score: 43.75 E-value: 3.78e-04
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| PRK01156 | PRK01156 | chromosome segregation protein; Provisional |
453-686 | 3.81e-04 | ||||||||
chromosome segregation protein; Provisional Pssm-ID: 100796 [Multi-domain] Cd Length: 895 Bit Score: 44.51 E-value: 3.81e-04
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| Borrelia_P83 | pfam05262 | Borrelia P83/100 protein; This family consists of several Borrelia P83/P100 antigen proteins. |
541-704 | 4.26e-04 | ||||||||
Borrelia P83/100 protein; This family consists of several Borrelia P83/P100 antigen proteins. Pssm-ID: 114011 [Multi-domain] Cd Length: 489 Bit Score: 44.22 E-value: 4.26e-04
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| MAP7 | pfam05672 | MAP7 (E-MAP-115) family; The organization of microtubules varies with the cell type and is ... |
606-686 | 4.32e-04 | ||||||||
MAP7 (E-MAP-115) family; The organization of microtubules varies with the cell type and is presumably controlled by tissue-specific microtubule-associated proteins (MAPs). The 115-kDa epithelial MAP (E-MAP-115/MAP7) has been identified as a microtubule-stabilising protein predominantly expressed in cell lines of epithelial origin. The binding of this microtubule associated protein is nucleotide independent. Pssm-ID: 461709 [Multi-domain] Cd Length: 153 Bit Score: 41.95 E-value: 4.32e-04
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| PRK12705 | PRK12705 | hypothetical protein; Provisional |
339-484 | 4.33e-04 | ||||||||
hypothetical protein; Provisional Pssm-ID: 237178 [Multi-domain] Cd Length: 508 Bit Score: 43.93 E-value: 4.33e-04
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| EnvC | COG4942 | Septal ring factor EnvC, activator of murein hydrolases AmiA and AmiB [Cell cycle control, ... |
335-517 | 4.33e-04 | ||||||||
Septal ring factor EnvC, activator of murein hydrolases AmiA and AmiB [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 443969 [Multi-domain] Cd Length: 377 Bit Score: 43.98 E-value: 4.33e-04
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| PHA03247 | PHA03247 | large tegument protein UL36; Provisional |
805-995 | 4.44e-04 | ||||||||
large tegument protein UL36; Provisional Pssm-ID: 223021 [Multi-domain] Cd Length: 3151 Bit Score: 44.54 E-value: 4.44e-04
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| DUF5401 | pfam17380 | Family of unknown function (DUF5401); This is a family of unknown function found in ... |
327-522 | 4.61e-04 | ||||||||
Family of unknown function (DUF5401); This is a family of unknown function found in Chromadorea. Pssm-ID: 375164 [Multi-domain] Cd Length: 722 Bit Score: 44.34 E-value: 4.61e-04
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| SH3_FCHSD2_2 | cd11894 | Second Src Homology 3 domain of FCH and double SH3 domains protein 2; FCHSD2 has a domain ... |
744-797 | 4.89e-04 | ||||||||
Second Src Homology 3 domain of FCH and double SH3 domains protein 2; FCHSD2 has a domain structure consisting of an N-terminal F-BAR (FES-CIP4 Homology and Bin/Amphiphysin/Rvs), two SH3, and C-terminal proline-rich domains. It has only been characterized in silico and its function is unknown. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212827 Cd Length: 56 Bit Score: 39.15 E-value: 4.89e-04
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| SH3_Shank | cd11832 | Src homology 3 domain of SH3 and multiple ankyrin repeat domains (Shank) proteins; Shank ... |
744-793 | 5.06e-04 | ||||||||
Src homology 3 domain of SH3 and multiple ankyrin repeat domains (Shank) proteins; Shank proteins carry scaffolding functions through multiple sites of protein-protein interaction in its domain architecture, including ankyrin (ANK) repeats, a long proline rich region, as well as SH3, PDZ, and SAM domains. They bind a variety of membrane and cytosolic proteins, and exist in alternatively spliced isoforms. They are highly enriched in postsynaptic density (PSD) where they interact with the cytoskeleton and with postsynaptic membrane receptors including NMDA and glutamate receptors. They are crucial in the construction and organization of the PSD and dendritic spines of excitatory synapses. There are three members of this family (Shank1, Shank2, Shank3) which show distinct and cell-type specific patterns of expression. Shank1 is brain-specific; Shank2 is found in neurons, glia, endocrine cells, liver, and kidney; Shank3 is widely expressed. The SH3 domain of Shank binds GRIP, a scaffold protein that binds AMPA receptors and Eph receptors/ligands. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212766 Cd Length: 50 Bit Score: 38.96 E-value: 5.06e-04
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| SH3_CIN85_2 | cd12055 | Second Src Homology 3 domain (SH3B) of Cbl-interacting protein of 85 kDa; CIN85, also called ... |
746-795 | 5.10e-04 | ||||||||
Second Src Homology 3 domain (SH3B) of Cbl-interacting protein of 85 kDa; CIN85, also called SH3 domain-containing kinase-binding protein 1 (SH3KBP1) or CD2-binding protein 3 (CD2BP3) or Ruk, is an adaptor protein that is involved in the downregulation of receptor tyrosine kinases by facilitating endocytosis through interaction with endophilin-associated ubiquitin ligase Cbl proteins. It is also important in many other cellular processes including vesicle-mediated transport, cytoskeletal remodelling, apoptosis, cell adhesion and migration, and viral infection, among others. CIN85 exists as multiple variants from alternative splicing; the main variant contains three SH3 domains, a proline-rich region, and a C-terminal coiled-coil domain. All of these domains enable CIN85 to bind various protein partners and assemble complexes that have been implicated in many different functions. This alignment model represents the second SH3 domain (SH3B) of CIN85. SH3B has been shown to bind Cbl proline-rich peptides and ubiquitin. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212988 [Multi-domain] Cd Length: 53 Bit Score: 38.82 E-value: 5.10e-04
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| SH3_Irsp53_BAIAP2L | cd11779 | Src Homology 3 domain of Insulin Receptor tyrosine kinase Substrate p53, Brain-specific ... |
746-798 | 5.10e-04 | ||||||||
Src Homology 3 domain of Insulin Receptor tyrosine kinase Substrate p53, Brain-specific Angiogenesis Inhibitor 1-Associated Protein 2 (BAIAP2)-Like proteins, and similar proteins; Proteins in this family include IRSp53, BAIAP2L1, BAIAP2L2, and similar proteins. They all contain an Inverse-Bin/Amphiphysin/Rvs (I-BAR) or IMD domain in addition to the SH3 domain. IRSp53, also known as BAIAP2, is a scaffolding protein that takes part in many signaling pathways including Cdc42-induced filopodia formation, Rac-mediated lamellipodia extension, and spine morphogenesis. IRSp53 exists as multiple splicing variants that differ mainly at the C-termini. BAIAP2L1, also called IRTKS (Insulin Receptor Tyrosine Kinase Substrate), serves as a substrate for the insulin receptor and binds the small GTPase Rac. It plays a role in regulating the actin cytoskeleton and colocalizes with F-actin, cortactin, VASP, and vinculin. IRSp53 and IRTKS also mediate the recruitment of effector proteins Tir and EspFu, which regulate host cell actin reorganization, to bacterial attachment sites. BAIAP2L2 co-localizes with clathrin plaques but its function has not been determined. The SH3 domains of IRSp53 and IRTKS have been shown to bind the proline-rich C-terminus of EspFu. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212713 [Multi-domain] Cd Length: 57 Bit Score: 38.84 E-value: 5.10e-04
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| SH3_Nck1_3 | cd11904 | Third Src Homology 3 domain of Nck1 adaptor protein; Nck1 (also called Nckalpha) plays a ... |
746-795 | 5.15e-04 | ||||||||
Third Src Homology 3 domain of Nck1 adaptor protein; Nck1 (also called Nckalpha) plays a crucial role in connecting signaling pathways of tyrosine kinase receptors and important effectors in actin dynamics and cytoskeletal remodeling. It binds and activates RasGAP, resulting in the downregulation of Ras. It is also involved in the signaling of endothilin-mediated inhibition of cell migration. Nck adaptor proteins regulate actin cytoskeleton dynamics by linking proline-rich effector molecules to protein tyrosine kinases and phosphorylated signaling intermediates. They contain three SH3 domains and a C-terminal SH2 domain. They function downstream of the PDGFbeta receptor and are involved in Rho GTPase signaling and actin dynamics. Vertebrates contain two Nck adaptor proteins: Nck1 (also called Nckalpha) and Nck2, which show partly overlapping functions but also bind distinct targets. The third SH3 domain of Nck appears to prefer ligands with a PxAPxR motif. SH3 domains are protein interaction domains that usually bind to proline-rich ligands with moderate affinity and selectivity, preferentially a PxxP motif. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212837 [Multi-domain] Cd Length: 57 Bit Score: 39.24 E-value: 5.15e-04
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
351-524 | 5.26e-04 | ||||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 44.16 E-value: 5.26e-04
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| SH3_GRAP_C | cd11951 | C-terminal Src homology 3 domain of GRB2-related adaptor protein; GRAP is a GRB-2 like adaptor ... |
744-795 | 5.96e-04 | ||||||||
C-terminal Src homology 3 domain of GRB2-related adaptor protein; GRAP is a GRB-2 like adaptor protein that is highly expressed in lymphoid tissues. It acts as a negative regulator of T cell receptor (TCR)-induced lymphocyte proliferation by downregulating the signaling to the Ras/ERK pathway. It has been identified as a regulator of TGFbeta signaling in diabetic kidney tubules and may have a role in the pathogenesis of the disease. GRAP contains an N-terminal SH3 domain, a central SH2 domain, and a C-terminal SH3 domain. The C-terminal SH3 domains (SH3c) of the related proteins, GRB2 and GRAP2, have been shown to bind to classical PxxP motif ligands, as well as to non-classical motifs. GRB2 SH3c binds Gab2 (Grb2-associated binder 2) through epitopes containing RxxK motifs, while the SH3c of GRAP2 binds to the phosphatase-like protein HD-PTP via a RxxxxK motif. SH3 domains are protein interaction domains that typically bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212884 Cd Length: 53 Bit Score: 38.63 E-value: 5.96e-04
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| SH3_Vinexin_3 | cd11918 | Third (or C-terminal) Src Homology 3 domain of Vinexin, also called Sorbin and SH3 domain ... |
745-795 | 6.00e-04 | ||||||||
Third (or C-terminal) Src Homology 3 domain of Vinexin, also called Sorbin and SH3 domain containing 3 (Sorbs3); Vinexin is also called Sorbs3, SH3P3, and SH3-containing adapter molecule 1 (SCAM-1). It is an adaptor protein containing one sorbin homology (SoHo) and three SH3 domains. Vinexin was first identified as a vinculin binding protein; it is co-localized with vinculin at cell-ECM and cell-cell adhesion sites. There are several splice variants of vinexin: alpha, which contains the SoHo and three SH3 domains and displays tissue-specific expression; and beta, which contains only the three SH3 domains and is widely expressed. Vinexin alpha stimulates the accumulation of F-actin at focal contact sites. Vinexin also promotes keratinocyte migration and wound healing. The SH3 domains of vinexin have been reported to bind a number of ligands including vinculin, WAVE2, DLG5, Abl, and Cbl. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212851 [Multi-domain] Cd Length: 58 Bit Score: 38.79 E-value: 6.00e-04
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| EnvC | COG4942 | Septal ring factor EnvC, activator of murein hydrolases AmiA and AmiB [Cell cycle control, ... |
337-596 | 6.46e-04 | ||||||||
Septal ring factor EnvC, activator of murein hydrolases AmiA and AmiB [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 443969 [Multi-domain] Cd Length: 377 Bit Score: 43.21 E-value: 6.46e-04
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| SH3_Tks_2 | cd12016 | Second Src homology 3 domain of Tyrosine kinase substrate (Tks) proteins; Tks proteins are Src ... |
745-798 | 6.52e-04 | ||||||||
Second Src homology 3 domain of Tyrosine kinase substrate (Tks) proteins; Tks proteins are Src substrates and scaffolding proteins that play important roles in the formation of podosomes and invadopodia, the dynamic actin-rich structures that are related to cell migration and cancer cell invasion. Vertebrates contain two Tks proteins, Tks4 (Tyr kinase substrate with four SH3 domains) and Tks5 (Tyr kinase substrate with five SH3 domains), which display partially overlapping but non-redundant functions. Both associate with the ADAMs family of transmembrane metalloproteases, which function as sheddases and mediators of cell and matrix interactions. Tks5 interacts with N-WASP and Nck, while Tks4 is essential for the localization of MT1-MMP (membrane-type 1 matrix metalloproteinase) to invadopodia. Tks proteins contain an N-terminal Phox homology (PX) domain and four or five SH3 domains. This model characterizes the second SH3 domain of Tks proteins. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212949 Cd Length: 54 Bit Score: 38.59 E-value: 6.52e-04
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| GBP_C | pfam02841 | Guanylate-binding protein, C-terminal domain; Transcription of the anti-viral ... |
563-655 | 6.60e-04 | ||||||||
Guanylate-binding protein, C-terminal domain; Transcription of the anti-viral guanylate-binding protein (GBP) is induced by interferon-gamma during macrophage induction. This family contains GBP1 and GPB2, both GTPases capable of binding GTP, GDP and GMP. Pssm-ID: 460721 [Multi-domain] Cd Length: 297 Bit Score: 43.04 E-value: 6.60e-04
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| SH3_PACSIN_like | cd11999 | Src homology 3 domain of an unknown subfamily of proteins with similarity to Protein kinase C ... |
743-797 | 6.77e-04 | ||||||||
Src homology 3 domain of an unknown subfamily of proteins with similarity to Protein kinase C and Casein kinase Substrate in Neurons (PACSIN) proteins; PACSINs, also called Synaptic dynamin-associated proteins (Syndapins), act as regulators of cytoskeletal and membrane dynamics. They bind both dynamin and Wiskott-Aldrich syndrome protein (WASP), and may provide direct links between the actin cytoskeletal machinery through WASP and dynamin-dependent endocytosis. Vetebrates harbor three isoforms with distinct expression patterns and specific functions. PACSINs contain an N-terminal F-BAR domain and a C-terminal SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212932 [Multi-domain] Cd Length: 56 Bit Score: 38.77 E-value: 6.77e-04
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| HCR | pfam07111 | Alpha helical coiled-coil rod protein (HCR); This family consists of several mammalian alpha ... |
478-675 | 6.88e-04 | ||||||||
Alpha helical coiled-coil rod protein (HCR); This family consists of several mammalian alpha helical coiled-coil rod HCR proteins. The function of HCR is unknown but it has been implicated in psoriasis in humans and is thought to affect keratinocyte proliferation. Pssm-ID: 284517 [Multi-domain] Cd Length: 749 Bit Score: 43.59 E-value: 6.88e-04
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| COG4913 | COG4913 | Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; |
337-503 | 6.91e-04 | ||||||||
Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; Pssm-ID: 443941 [Multi-domain] Cd Length: 1089 Bit Score: 43.75 E-value: 6.91e-04
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| SH3_SH3RF_3 | cd11783 | Third Src Homology 3 domain of SH3 domain containing ring finger 1 (SH3RF1), SH3RF3, and ... |
745-795 | 6.98e-04 | ||||||||
Third Src Homology 3 domain of SH3 domain containing ring finger 1 (SH3RF1), SH3RF3, and similar domains; SH3RF1 (or POSH) and SH3RF3 (or POSH2) are scaffold proteins that function as E3 ubiquitin-protein ligases. They contain an N-terminal RING finger domain and four SH3 domains. This model represents the third SH3 domain, located in the middle of SH3RF1 and SH3RF3, and similar domains. SH3RF1 plays a role in calcium homeostasis through the control of the ubiquitin domain protein Herp. It may also have a role in regulating death receptor mediated and JNK mediated apoptosis. SH3RF3 interacts with p21-activated kinase 2 (PAK2) and GTP-loaded Rac1. It may play a role in regulating JNK mediated apoptosis in certain conditions. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212717 [Multi-domain] Cd Length: 55 Bit Score: 38.53 E-value: 6.98e-04
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| EF-hand_7 | pfam13499 | EF-hand domain pair; |
224-283 | 7.05e-04 | ||||||||
EF-hand domain pair; Pssm-ID: 463900 [Multi-domain] Cd Length: 67 Bit Score: 38.77 E-value: 7.05e-04
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| SH3_ARHGEF16_26 | cd11938 | Src homology 3 domain of the Rho guanine nucleotide exchange factors ARHGEF16 and ARHGEF26; ... |
751-797 | 7.12e-04 | ||||||||
Src homology 3 domain of the Rho guanine nucleotide exchange factors ARHGEF16 and ARHGEF26; ARHGEF16, also called ephexin-4, acts as a GEF for RhoG, activating it by exchanging bound GDP for free GTP. RhoG is a small GTPase that is a crucial regulator of Rac in migrating cells. ARHGEF16 interacts directly with the ephrin receptor EphA2 and mediates cell migration and invasion in breast cancer cells by activating RhoG. ARHGEF26, also called SGEF (SH3 domain-containing guanine exchange factor), also activates RhoG. It is highly expressed in liver and may play a role in regulating membrane dynamics. ARHGEF16 and ARHGEF26 contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), and SH3 domains. The SH3 domains of ARHGEFs play an autoinhibitory role through intramolecular interactions with a proline-rich region N-terminal to the DH domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212871 Cd Length: 55 Bit Score: 38.67 E-value: 7.12e-04
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| RNase_Y_N | pfam12072 | RNase Y N-terminal region; |
338-415 | 7.33e-04 | ||||||||
RNase Y N-terminal region; Pssm-ID: 463456 [Multi-domain] Cd Length: 201 Bit Score: 41.80 E-value: 7.33e-04
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| SH3_PLCgamma | cd11825 | Src homology 3 domain of Phospholipase C (PLC) gamma; PLC catalyzes the hydrolysis of ... |
746-798 | 7.39e-04 | ||||||||
Src homology 3 domain of Phospholipase C (PLC) gamma; PLC catalyzes the hydrolysis of phosphatidylinositol (4,5)-bisphosphate [PtdIns(4,5)P2] to produce Ins(1,4,5)P3 and diacylglycerol (DAG) in response to various receptors. Ins(1,4,5)P3 initiates the calcium signaling cascade while DAG functions as an activator of PKC. PLCgamma catalyzes this reaction in tyrosine kinase-dependent signaling pathways. It is activated and recruited to its substrate at the membrane. Vertebrates contain two forms of PLCgamma, PLCgamma1, which is widely expressed, and PLCgamma2, which is primarily found in haematopoietic cells. PLCgamma contains a Pleckstrin homology (PH) domain followed by an elongation factor (EF) domain, two catalytic regions of PLC domains that flank two tandem SH2 domains, followed by a SH3 domain and C2 domain. The SH3 domain of PLCgamma1 directly interacts with dynamin-1 and can serve as a guanine nucleotide exchange factor (GEF). It also interacts with Cbl, inhibiting its phosphorylation and activity. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212759 [Multi-domain] Cd Length: 54 Bit Score: 38.47 E-value: 7.39e-04
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| SMC_prok_A | TIGR02169 | chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of ... |
547-717 | 7.45e-04 | ||||||||
chromosome segregation protein SMC, primarily archaeal type; SMC (structural maintenance of chromosomes) proteins bind DNA and act in organizing and segregating chromosomes for partition. SMC proteins are found in bacteria, archaea, and eukaryotes. It is found in a single copy and is homodimeric in prokaryotes, but six paralogs (excluded from this family) are found in eukarotes, where SMC proteins are heterodimeric. This family represents the SMC protein of archaea and a few bacteria (Aquifex, Synechocystis, etc); the SMC of other bacteria is described by TIGR02168. The N- and C-terminal domains of this protein are well conserved, but the central hinge region is skewed in composition and highly divergent. [Cellular processes, Cell division, DNA metabolism, Chromosome-associated proteins] Pssm-ID: 274009 [Multi-domain] Cd Length: 1164 Bit Score: 43.52 E-value: 7.45e-04
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| sbcc | TIGR00618 | exonuclease SbcC; All proteins in this family for which functions are known are part of an ... |
332-645 | 8.55e-04 | ||||||||
exonuclease SbcC; All proteins in this family for which functions are known are part of an exonuclease complex with sbcD homologs. This complex is involved in the initiation of recombination to regulate the levels of palindromic sequences in DNA. This family is based on the phylogenomic analysis of JA Eisen (1999, Ph.D. Thesis, Stanford University). [DNA metabolism, DNA replication, recombination, and repair] Pssm-ID: 129705 [Multi-domain] Cd Length: 1042 Bit Score: 43.42 E-value: 8.55e-04
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| SH3_Intersectin1_4 | cd11993 | Fourth Src homology 3 domain (or SH3D) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor ... |
746-797 | 9.33e-04 | ||||||||
Fourth Src homology 3 domain (or SH3D) of Intersectin-1; Intersectin-1 (ITSN1) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN1 localizes in membranous organelles, CCPs, the Golgi complex, and may be involved in the cell membrane trafficking system. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The fourth SH3 domain (or SH3D) of ITSN1 has been shown to bind SHIP2, Numb, CdGAP, and N-WASP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212926 Cd Length: 65 Bit Score: 38.56 E-value: 9.33e-04
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| rad50 | TIGR00606 | rad50; All proteins in this family for which functions are known are involvedin recombination, ... |
335-708 | 1.03e-03 | ||||||||
rad50; All proteins in this family for which functions are known are involvedin recombination, recombinational repair, and/or non-homologous end joining.They are components of an exonuclease complex with MRE11 homologs. This family is distantly related to the SbcC family of bacterial proteins.This family is based on the phylogenomic analysis of JA Eisen (1999, Ph.D. Thesis, Stanford University). Pssm-ID: 129694 [Multi-domain] Cd Length: 1311 Bit Score: 43.11 E-value: 1.03e-03
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| SH3_Amphiphysin_I | cd12140 | Src Homology 3 domain of Amphiphysin I; Amphiphysins function primarily in endocytosis and ... |
748-799 | 1.06e-03 | ||||||||
Src Homology 3 domain of Amphiphysin I; Amphiphysins function primarily in endocytosis and other membrane remodeling events. They exist in several isoforms and mammals possess two amphiphysin proteins from distinct genes. Amphiphysin I proteins, enriched in the brain and nervous system, contain domains that bind clathrin, Adaptor Protein complex 2 (AP2), dynamin, and synaptojanin. They function in synaptic vesicle endocytosis. Human autoantibodies to amphiphysin I hinder GABAergic signaling and contribute to the pathogenesis of paraneoplastic stiff-person syndrome. Amphiphysins contain an N-terminal BAR domain with an additional N-terminal amphipathic helix (an N-BAR), a variable central domain, and a C-terminal SH3 domain. The SH3 domain of amphiphysins bind proline-rich motifs present in binding partners such as dynamin, synaptojanin, and nsP3. It also belongs to a subset of SH3 domains that bind ubiquitin in a site that overlaps with the peptide binding site. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 213016 Cd Length: 72 Bit Score: 38.72 E-value: 1.06e-03
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| SH3_Nck1_2 | cd11901 | Second Src Homology 3 domain of Nck1 adaptor protein; Nck1 (also called Nckalpha) plays a ... |
749-795 | 1.10e-03 | ||||||||
Second Src Homology 3 domain of Nck1 adaptor protein; Nck1 (also called Nckalpha) plays a crucial role in connecting signaling pathways of tyrosine kinase receptors and important effectors in actin dynamics and cytoskeletal remodeling. It binds and activates RasGAP, resulting in the downregulation of Ras. It is also involved in the signaling of endothilin-mediated inhibition of cell migration. Nck adaptor proteins regulate actin cytoskeleton dynamics by linking proline-rich effector molecules to protein tyrosine kinases and phosphorylated signaling intermediates. They contain three SH3 domains and a C-terminal SH2 domain. They function downstream of the PDGFbeta receptor and are involved in Rho GTPase signaling and actin dynamics. Vertebrates contain two Nck adaptor proteins: Nck1 (also called Nckalpha) and Nck2, which show partly overlapping functions but also bind distinct targets. The second SH3 domain of Nck appears to prefer ligands containing the APxxPxR motif. SH3 domains are protein interaction domains that usually bind to proline-rich ligands with moderate affinity and selectivity, preferentially a PxxP motif. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212834 [Multi-domain] Cd Length: 55 Bit Score: 38.09 E-value: 1.10e-03
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| SH3_Sorbs1_3 | cd11916 | Third (or C-terminal) Src Homology 3 domain of Sorbin and SH3 domain containing 1 (Sorbs1), ... |
742-797 | 1.16e-03 | ||||||||
Third (or C-terminal) Src Homology 3 domain of Sorbin and SH3 domain containing 1 (Sorbs1), also called ponsin; Sorbs1 is also called ponsin, SH3P12, or CAP (c-Cbl associated protein). It is an adaptor protein containing one sorbin homology (SoHo) and three SH3 domains. It binds Cbl and plays a major role in regulating the insulin signaling pathway by enhancing insulin-induced phosphorylation of Cbl. Sorbs1, like vinexin, localizes at cell-ECM and cell-cell adhesion sites where it binds vinculin, paxillin, and afadin. It may function in the control of cell motility. Other interaction partners of Sorbs1 include c-Abl, Sos, flotillin, Grb4, ataxin-7, filamin C, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212849 [Multi-domain] Cd Length: 59 Bit Score: 38.05 E-value: 1.16e-03
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| tolA_full | TIGR02794 | TolA protein; TolA couples the inner membrane complex of itself with TolQ and TolR to the ... |
588-686 | 1.17e-03 | ||||||||
TolA protein; TolA couples the inner membrane complex of itself with TolQ and TolR to the outer membrane complex of TolB and OprL (also called Pal). Most of the length of the protein consists of low-complexity sequence that may differ in both length and composition from one species to another, complicating efforts to discriminate TolA (the most divergent gene in the tol-pal system) from paralogs such as TonB. Selection of members of the seed alignment and criteria for setting scoring cutoffs are based largely conserved operon struction. //The Tol-Pal complex is required for maintaining outer membrane integrity. Also involved in transport (uptake) of colicins and filamentous DNA, and implicated in pathogenesis. Transport is energized by the proton motive force. TolA is an inner membrane protein that interacts with periplasmic TolB and with outer membrane porins ompC, phoE and lamB. [Transport and binding proteins, Other, Cellular processes, Pathogenesis] Pssm-ID: 274303 [Multi-domain] Cd Length: 346 Bit Score: 42.53 E-value: 1.17e-03
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| SH3_Intersectin2_2 | cd11990 | Second Src homology 3 domain (or SH3B) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor ... |
746-795 | 1.23e-03 | ||||||||
Second Src homology 3 domain (or SH3B) of Intersectin-2; Intersectin-2 (ITSN2) is an adaptor protein that functions in exo- and endocytosis, actin cytoskeletal reorganization, and signal transduction. It plays a role in clathrin-coated pit (CCP) formation. It binds to many proteins through its multidomain structure and facilitate the assembly of multimeric complexes. ITSN2 also functions as a specific GEF for Cdc42 activation in epithelial morphogenesis, and is required in mitotic spindle orientation. It exists in alternatively spliced short and long isoforms. The short isoform contains two Eps15 homology domains (EH1 and EH2), a coiled-coil region and five SH3 domains (SH3A-E), while the long isoform, in addition, contains RhoGEF (also called Dbl-homologous or DH), Pleckstrin homology (PH) and C2 domains. The second SH3 domain (or SH3B) of ITSN2 is expected to bind protein partners, similar to ITSN1 which has been shown to bind WNK and CdGAP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212923 [Multi-domain] Cd Length: 52 Bit Score: 37.71 E-value: 1.23e-03
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| OmpH | smart00935 | Outer membrane protein (OmpH-like); This family includes outer membrane proteins such as OmpH ... |
335-416 | 1.26e-03 | ||||||||
Outer membrane protein (OmpH-like); This family includes outer membrane proteins such as OmpH among others. Skp (OmpH) has been characterized as a molecular chaperone that interacts with unfolded proteins as they emerge in the periplasm from the Sec translocation machinery. Pssm-ID: 214922 [Multi-domain] Cd Length: 140 Bit Score: 40.26 E-value: 1.26e-03
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| FRQ1 | COG5126 | Ca2+-binding protein, EF-hand superfamily [Signal transduction mechanisms]; |
212-284 | 1.28e-03 | ||||||||
Ca2+-binding protein, EF-hand superfamily [Signal transduction mechanisms]; Pssm-ID: 444056 [Multi-domain] Cd Length: 137 Bit Score: 40.16 E-value: 1.28e-03
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| EnvC | COG4942 | Septal ring factor EnvC, activator of murein hydrolases AmiA and AmiB [Cell cycle control, ... |
484-707 | 1.29e-03 | ||||||||
Septal ring factor EnvC, activator of murein hydrolases AmiA and AmiB [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 443969 [Multi-domain] Cd Length: 377 Bit Score: 42.44 E-value: 1.29e-03
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| SH3_SH3RF1_3 | cd11926 | Third Src Homology 3 domain of SH3 domain containing ring finger 1, an E3 ubiquitin-protein ... |
745-795 | 1.37e-03 | ||||||||
Third Src Homology 3 domain of SH3 domain containing ring finger 1, an E3 ubiquitin-protein ligase; SH3RF1 is also called POSH (Plenty of SH3s) or SH3MD2 (SH3 multiple domains protein 2). It is a scaffold protein that acts as an E3 ubiquitin-protein ligase. It plays a role in calcium homeostasis through the control of the ubiquitin domain protein Herp. It may also have a role in regulating death receptor mediated and JNK mediated apoptosis. SH3RF1 also enhances the ubiquitination of ROMK1 potassium channel resulting in its increased endocytosis. It contains an N-terminal RING finger domain and four SH3 domains. This model represents the third SH3 domain, located in the middle, of SH3RF1. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212859 [Multi-domain] Cd Length: 55 Bit Score: 37.64 E-value: 1.37e-03
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| EFh | cd00051 | EF-hand, calcium binding motif; A diverse superfamily of calcium sensors and calcium signal ... |
224-284 | 1.47e-03 | ||||||||
EF-hand, calcium binding motif; A diverse superfamily of calcium sensors and calcium signal modulators; most examples in this alignment model have 2 active canonical EF hands. Ca2+ binding induces a conformational change in the EF-hand motif, leading to the activation or inactivation of target proteins. EF-hands tend to occur in pairs or higher copy numbers. Pssm-ID: 238008 [Multi-domain] Cd Length: 63 Bit Score: 37.91 E-value: 1.47e-03
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| SH3_Bbc1 | cd11887 | Src Homology 3 domain of Bbc1 and similar domains; This subfamily is composed of Saccharomyces ... |
746-798 | 1.51e-03 | ||||||||
Src Homology 3 domain of Bbc1 and similar domains; This subfamily is composed of Saccharomyces cerevisiae Bbc1p, also called Mti1p (Myosin tail region-interacting protein), and similar proteins. Bbc1p interacts with and regulates type I myosins in yeast, Myo3p and Myo5p, which are involved in actin cytoskeletal reorganization. It also binds and inhibits Las17, a WASp family protein that functions as an activator of the Arp2/3 complex. Bbc1p contains an N-terminal SH3 domain. SH3 domains bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs; they play a role in the regulation of enzymes by intramolecular interactions, changing the subcellular localization of signal pathway components and mediate multiprotein complex assemblies. Pssm-ID: 212820 [Multi-domain] Cd Length: 60 Bit Score: 37.71 E-value: 1.51e-03
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| COG4913 | COG4913 | Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; |
342-590 | 1.55e-03 | ||||||||
Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; Pssm-ID: 443941 [Multi-domain] Cd Length: 1089 Bit Score: 42.59 E-value: 1.55e-03
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| SH3_ARHGEF37_C2 | cd11941 | Second C-terminal Src homology 3 domain of Rho guanine nucleotide exchange factor 37; ARHGEF37 ... |
747-795 | 1.65e-03 | ||||||||
Second C-terminal Src homology 3 domain of Rho guanine nucleotide exchange factor 37; ARHGEF37 contains a RhoGEF [or Dbl homology (DH)] domain followed by a Bin/Amphiphysin/Rvs (BAR) domain, and two C-terminal SH3 domains. Its specific function is unknown. Its domain architecture is similar to the C-terminal half of DNMBP or Tuba, a cdc42-specific GEF that provides a functional link between dynamin, Rho GTPase signaling, and actin dynamics, and plays an important role in regulating cell junction configuration. GEFs activate small GTPases by exchanging bound GDP for free GTP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212874 Cd Length: 57 Bit Score: 37.58 E-value: 1.65e-03
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| flagell_FliJ | TIGR02473 | flagellar export protein FliJ; Members of this family are the FliJ protein found, in nearly ... |
550-666 | 1.70e-03 | ||||||||
flagellar export protein FliJ; Members of this family are the FliJ protein found, in nearly every case, in the midst of other flagellar biosynthesis genes in bacgterial genomes. Typically the fliJ gene is found adjacent to the gene for the flagellum-specific ATPase FliI. Sequence scoring in the gray zone between trusted and noise cutoffs include both probable FliJ proteins and components of bacterial type III secretion systems. Pssm-ID: 131526 [Multi-domain] Cd Length: 141 Bit Score: 39.99 E-value: 1.70e-03
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| SH3_ARHGEF5_19 | cd11940 | Src homology 3 domain of the Rho guanine nucleotide exchange factors ARHGEF5 and ARHGEF19; ... |
751-797 | 1.81e-03 | ||||||||
Src homology 3 domain of the Rho guanine nucleotide exchange factors ARHGEF5 and ARHGEF19; ARHGEF5, also called ephexin-3 or TIM (Transforming immortalized mammary oncogene), is a potent activator of RhoA and it plays roles in regulating cell shape, adhesion, and migration. It binds to the SH3 domain of Src and is involved in regulating Src-induced podosome formation. ARHGEF19, also called ephexin-2 or WGEF (weak-similarity GEF), is highly expressed in the intestine, liver, heart and kidney. It activates RhoA, Cdc42, and Rac 1, and has been shown to activate RhoA in the Wnt-PCP (planar cell polarity) pathway. It is involved in the regulation of cell polarity and cytoskeletal reorganization. ARHGEF5 and ARHGEF19 contain RhoGEF (also called Dbl-homologous or DH), Pleckstrin Homology (PH), and SH3 domains. The SH3 domains of ARHGEFs play an autoinhibitory role through intramolecular interactions with a proline-rich region N-terminal to the DH domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212873 Cd Length: 55 Bit Score: 37.46 E-value: 1.81e-03
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| SH3_Nck2_2 | cd11902 | Second Src Homology 3 domain of Nck2 adaptor protein; Nck2 (also called Nckbeta or Growth ... |
749-795 | 1.94e-03 | ||||||||
Second Src Homology 3 domain of Nck2 adaptor protein; Nck2 (also called Nckbeta or Growth factor receptor-bound protein 4, Grb4) plays a crucial role in connecting signaling pathways of tyrosine kinase receptors and important effectors in actin dynamics and cytoskeletal remodeling. It binds neuronal signaling proteins such as ephrinB and Disabled-1 (Dab-1) exclusively. Nck adaptor proteins regulate actin cytoskeleton dynamics by linking proline-rich effector molecules to protein tyrosine kinases and phosphorylated signaling intermediates. They contain three SH3 domains and a C-terminal SH2 domain. They function downstream of the PDGFbeta receptor and are involved in Rho GTPase signaling and actin dynamics. Vertebrates contain two Nck adaptor proteins: Nck1 (also called Nckalpha) and Nck2, which show partly overlapping functions but also bind distinct targets. The second SH3 domain of Nck appears to prefer ligands containing the APxxPxR motif. SH3 domains are protein interaction domains that usually bind to proline-rich ligands with moderate affinity and selectivity, preferentially a PxxP motif. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212835 [Multi-domain] Cd Length: 55 Bit Score: 37.29 E-value: 1.94e-03
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| sbcc | TIGR00618 | exonuclease SbcC; All proteins in this family for which functions are known are part of an ... |
335-702 | 1.96e-03 | ||||||||
exonuclease SbcC; All proteins in this family for which functions are known are part of an exonuclease complex with sbcD homologs. This complex is involved in the initiation of recombination to regulate the levels of palindromic sequences in DNA. This family is based on the phylogenomic analysis of JA Eisen (1999, Ph.D. Thesis, Stanford University). [DNA metabolism, DNA replication, recombination, and repair] Pssm-ID: 129705 [Multi-domain] Cd Length: 1042 Bit Score: 42.26 E-value: 1.96e-03
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| SH3_Abi1 | cd11971 | Src homology 3 domain of Abl Interactor 1; Abi1, also called e3B1, is a central regulator of ... |
741-799 | 2.06e-03 | ||||||||
Src homology 3 domain of Abl Interactor 1; Abi1, also called e3B1, is a central regulator of actin cytoskeletal reorganization through interactions with many protein complexes. It is part of WAVE, a nucleation-promoting factor complex, that links Rac 1 activation to actin polymerization causing lamellipodia protrusion at the plasma membrane. Abi1 interact with formins to promote protrusions at the leading edge of motile cells. It also is a target of alpha4 integrin, regulating membrane protrusions at sites of integrin engagement. Abi proteins are adaptor proteins serving as binding partners and substrates of Abl tyrosine kinases. They are involved in regulating actin cytoskeletal reorganization and play important roles in membrane-ruffling, endocytosis, cell motility, and cell migration. Abi proteins contain a homeobox homology domain, a proline-rich region, and a SH3 domain. The SH3 domain of Abi binds to a PxxP motif in Abl. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212904 [Multi-domain] Cd Length: 59 Bit Score: 37.31 E-value: 2.06e-03
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| SH3_Sorbs_2 | cd11782 | Second Src Homology 3 domain of Sorbin and SH3 domain containing (Sorbs) proteins and similar ... |
746-797 | 2.08e-03 | ||||||||
Second Src Homology 3 domain of Sorbin and SH3 domain containing (Sorbs) proteins and similar domains; This family, also called the vinexin family, is composed predominantly of adaptor proteins containing one sorbin homology (SoHo) and three SH3 domains. Members include the second SH3 domains of Sorbs1 (or ponsin), Sorbs2 (or ArgBP2), Vinexin (or Sorbs3), and similar domains. They are involved in the regulation of cytoskeletal organization, cell adhesion, and growth factor signaling. Members of this family bind multiple partners including signaling molecules like c-Abl, c-Arg, Sos, and c-Cbl, as well as cytoskeletal molecules such as vinculin and afadin. They may have overlapping functions. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212716 [Multi-domain] Cd Length: 53 Bit Score: 37.33 E-value: 2.08e-03
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| SH3_iASPP | cd11952 | Src Homology 3 (SH3) domain of Inhibitor of ASPP protein (iASPP); iASPP, also called ... |
742-795 | 2.09e-03 | ||||||||
Src Homology 3 (SH3) domain of Inhibitor of ASPP protein (iASPP); iASPP, also called RelA-associated inhibitor (RAI), is an oncoprotein that inhibits the apoptotic transactivation potential of p53. It is upregulated in human breast cancers expressing wild-type p53, in acute leukemias regardless of the p53 mutation status, as well as in ovarian cancer where it is associated with poor patient outcome and chemoresistance. iASPP is also a binding partner and negative regulator of p65RelA, which promotes cell proliferation and inhibits apoptosis; p65RelA has the opposite effect on cell growth compared to the p53 family. It contains a proline-rich region, four ankyrin (ANK) repeats, and an SH3 domain at its C-terminal half. The SH3 domain and the ANK repeats of iASPP contribute to the p53 binding site; they bind to the DNA binding domain of p53. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212885 [Multi-domain] Cd Length: 56 Bit Score: 37.22 E-value: 2.09e-03
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| DUF3584 | pfam12128 | Protein of unknown function (DUF3584); This protein is found in bacteria and eukaryotes. ... |
331-676 | 2.12e-03 | ||||||||
Protein of unknown function (DUF3584); This protein is found in bacteria and eukaryotes. Proteins in this family are typically between 943 to 1234 amino acids in length. This family contains a P-loop motif suggesting it is a nucleotide binding protein. It may be involved in replication. Pssm-ID: 432349 [Multi-domain] Cd Length: 1191 Bit Score: 42.13 E-value: 2.12e-03
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| Activator_LAG-3 | pfam11498 | Transcriptional activator LAG-3; The C.elegans Notch pathway, involved in the control of ... |
606-717 | 2.17e-03 | ||||||||
Transcriptional activator LAG-3; The C.elegans Notch pathway, involved in the control of growth, differentiation and patterning in animal development, relies on either of the receptors GLP-1 or LIN-12. Both these receptors promote signalling by the recruitment of LAG-3 to target promoters, where it then acts as a transcriptional activator. LAG-3 works as a ternary complex together with the DNA binding protein, LAG-1. Its N-terminal region adopts an elongated kinked helix that is required for complex assembly. Pssm-ID: 151935 [Multi-domain] Cd Length: 476 Bit Score: 41.87 E-value: 2.17e-03
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| LCD1 | pfam09798 | DNA damage checkpoint protein; This is a family of proteins which regulate checkpoint kinases. ... |
582-646 | 2.22e-03 | ||||||||
DNA damage checkpoint protein; This is a family of proteins which regulate checkpoint kinases. In Schizosaccharomyces pombe this protein is called Rad26 and in Saccharomyces cerevisiae it is called LCD1. Pssm-ID: 462906 Cd Length: 615 Bit Score: 41.92 E-value: 2.22e-03
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| SH3_EFS | cd12003 | Src homology 3 domain of CAS (Crk-Associated Substrate) scaffolding protein family member, ... |
746-801 | 2.34e-03 | ||||||||
Src homology 3 domain of CAS (Crk-Associated Substrate) scaffolding protein family member, Embryonal Fyn-associated Substrate; EFS is also called HEFS, CASS3 (Cas scaffolding protein family member 3) or SIN (Src-interacting protein). It was identified based on interactions with the Src kinases, Fyn and Yes. It plays a role in thymocyte development and acts as a negative regulator of T cell proliferation. CAS proteins function as molecular scaffolds to regulate protein complexes that are involved in many cellular processes. They share a common domain structure that includes an N-terminal SH3 domain, an unstructured substrate domain that contains many YxxP motifs, a serine-rich four-helix bundle, and a FAT-like C-terminal domain. The SH3 domain of CAS proteins binds to diverse partners including FAK, FRNK, Pyk2, PTP-PEST, DOCK180, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212936 Cd Length: 62 Bit Score: 37.18 E-value: 2.34e-03
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| PRK12585 | PRK12585 | putative monovalent cation/H+ antiporter subunit G; Reviewed |
582-671 | 2.52e-03 | ||||||||
putative monovalent cation/H+ antiporter subunit G; Reviewed Pssm-ID: 183610 Cd Length: 197 Bit Score: 40.44 E-value: 2.52e-03
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| CCDC66 | pfam15236 | Coiled-coil domain-containing protein 66; This protein family, named Coiled-coil ... |
364-453 | 2.53e-03 | ||||||||
Coiled-coil domain-containing protein 66; This protein family, named Coiled-coil domain-containing protein 66 (CCDC) refers to a protein domain found in eukaryotes, and is approximately 160 amino acids in length. CCDC66 protein is detected mainly in the inner segments of photoreceptors in many vertebrates including mice and humans. It has been found in dogs, that a mutation in the CCDC66 gene causes generalized progressive retinal atrophy (gPRA). This shows that the protein encoded for by this gene is vital for healthy vision and guards against photoreceptor cell degeneration. The structure of CCDC66 proteins includes a heptad repeat pattern which contains at least one coiled-coil domain. There are at least two or more alpha-helices which form a cable-like structure. Pssm-ID: 434558 [Multi-domain] Cd Length: 154 Bit Score: 39.78 E-value: 2.53e-03
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| COG4913 | COG4913 | Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; |
548-714 | 2.61e-03 | ||||||||
Uncharacterized conserved protein, contains a C-terminal ATPase domain [Function unknown]; Pssm-ID: 443941 [Multi-domain] Cd Length: 1089 Bit Score: 41.82 E-value: 2.61e-03
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| COG1340 | COG1340 | Uncharacterized coiled-coil protein, contains DUF342 domain [Function unknown]; |
364-635 | 2.62e-03 | ||||||||
Uncharacterized coiled-coil protein, contains DUF342 domain [Function unknown]; Pssm-ID: 440951 [Multi-domain] Cd Length: 297 Bit Score: 41.05 E-value: 2.62e-03
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| CCDC158 | pfam15921 | Coiled-coil domain-containing protein 158; CCDC158 is a family of proteins found in eukaryotes. ... |
332-687 | 2.83e-03 | ||||||||
Coiled-coil domain-containing protein 158; CCDC158 is a family of proteins found in eukaryotes. The function is not known. Pssm-ID: 464943 [Multi-domain] Cd Length: 1112 Bit Score: 41.64 E-value: 2.83e-03
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| SH3_DBS | cd11857 | Src homology 3 domain of DBL's Big Sister (DBS), a guanine nucleotide exchange factor; DBS, ... |
745-794 | 2.84e-03 | ||||||||
Src homology 3 domain of DBL's Big Sister (DBS), a guanine nucleotide exchange factor; DBS, also called MCF2L (MCF2-transforming sequence-like protein) or OST, is a Rho GTPase guanine nucleotide exchange factor (RhoGEF), facilitating the exchange of GDP and GTP. It was originally isolated from a cDNA screen for sequences that cause malignant growth. It plays roles in regulating clathrin-mediated endocytosis and cell migration through its activation of Rac1 and Cdc42. Depending on cell type, DBS can also activate RhoA and RhoG. DBS contains a Sec14-like domain, spectrin-like repeats, a RhoGEF [or Dbl homology (DH)] domain, a Pleckstrin homology (PH) domain, and an SH3 domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212791 Cd Length: 55 Bit Score: 36.88 E-value: 2.84e-03
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| Myosin_tail_1 | pfam01576 | Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and ... |
326-707 | 2.86e-03 | ||||||||
Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and four light chains it is a fundamental contractile protein found in all eukaryote cell types. This family consists of the coiled-coil myosin heavy chain tail region. The coiled-coil is composed of the tail from two molecules of myosin. These can then assemble into the macromolecular thick filament. The coiled-coil region provides the structural backbone the thick filament. Pssm-ID: 460256 [Multi-domain] Cd Length: 1081 Bit Score: 41.70 E-value: 2.86e-03
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| YhaN | COG4717 | Uncharacterized conserved protein YhaN, contains AAA domain [Function unknown]; |
545-684 | 2.99e-03 | ||||||||
Uncharacterized conserved protein YhaN, contains AAA domain [Function unknown]; Pssm-ID: 443752 [Multi-domain] Cd Length: 641 Bit Score: 41.68 E-value: 2.99e-03
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| APG6_N | pfam17675 | Apg6 coiled-coil region; In yeast, 15 Apg proteins coordinate the formation of autophagosomes. ... |
576-686 | 3.04e-03 | ||||||||
Apg6 coiled-coil region; In yeast, 15 Apg proteins coordinate the formation of autophagosomes. Autophagy is a bulk degradation process induced by starvation in eukaryotic cells. Apg6/Vps30p has two distinct functions in the autophagic process, either associated with the membrane or in a retrieval step of the carboxypeptidase Y sorting pathway. Pssm-ID: 465452 [Multi-domain] Cd Length: 127 Bit Score: 38.73 E-value: 3.04e-03
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| SH3_ASAP | cd11821 | Src homology 3 domain of ArfGAP with SH3 domain, ankyrin repeat and PH domain containing ... |
746-795 | 3.04e-03 | ||||||||
Src homology 3 domain of ArfGAP with SH3 domain, ankyrin repeat and PH domain containing proteins; ASAPs are Arf GTPase activating proteins (GAPs) and they function in regulating cell growth, migration, and invasion. They contain an N-terminal BAR domain, followed by a Pleckstrin homology (PH) domain, an Arf GAP domain, ankyrin (ANK) repeats, and a C-terminal SH3 domain. Vertebrates contain at least three members, ASAP1, ASAP2, and ASAP3, but some ASAP3 proteins do not seem to harbor a C-terminal SH3 domain. ASAP1 and ASAP2 show GTPase activating protein (GAP) activity towards Arf1 and Arf5. They do not show GAP activity towards Arf6, but are able to mediate Arf6 signaling by binding stably to GTP-Arf6. ASAP3 is an Arf6-specific GAP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212755 [Multi-domain] Cd Length: 53 Bit Score: 36.52 E-value: 3.04e-03
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| PRK00409 | PRK00409 | recombination and DNA strand exchange inhibitor protein; Reviewed |
580-686 | 3.10e-03 | ||||||||
recombination and DNA strand exchange inhibitor protein; Reviewed Pssm-ID: 234750 [Multi-domain] Cd Length: 782 Bit Score: 41.35 E-value: 3.10e-03
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| DUF3584 | pfam12128 | Protein of unknown function (DUF3584); This protein is found in bacteria and eukaryotes. ... |
335-708 | 3.14e-03 | ||||||||
Protein of unknown function (DUF3584); This protein is found in bacteria and eukaryotes. Proteins in this family are typically between 943 to 1234 amino acids in length. This family contains a P-loop motif suggesting it is a nucleotide binding protein. It may be involved in replication. Pssm-ID: 432349 [Multi-domain] Cd Length: 1191 Bit Score: 41.75 E-value: 3.14e-03
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| HMMR_N | pfam15905 | Hyaluronan mediated motility receptor N-terminal; HMMR_N is the N-terminal region of ... |
344-685 | 3.34e-03 | ||||||||
Hyaluronan mediated motility receptor N-terminal; HMMR_N is the N-terminal region of eukaryotic hyaluronan-mediated motility receptor proteins. The protein is functionally associated with BRCA1 and thus predicted to be a common, low-penetrance breast cancer candidate. Pssm-ID: 464932 [Multi-domain] Cd Length: 329 Bit Score: 40.95 E-value: 3.34e-03
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| SH3_SKAP2 | cd12045 | Src Homology 3 domain of Src Kinase-Associated Phosphoprotein 2; SKAP2, also called ... |
744-795 | 3.44e-03 | ||||||||
Src Homology 3 domain of Src Kinase-Associated Phosphoprotein 2; SKAP2, also called SKAP55-Related (SKAP55R) or SKAP55 homolog (SKAP-HOM or SKAP55-HOM), is an immune cell-specific adaptor protein that plays an important role in adhesion and migration of B-cells and macrophages. Binding partners include ADAP (adhesion and degranulation-promoting adaptor protein), YopH, SHPS1, and HPK1. SKAP2 has also been identified as a substrate for lymphoid-specific tyrosine phosphatase (Lyp), which has been implicated in a wide variety of autoimmune diseases. It contains a pleckstrin homology (PH) domain, a C-terminal SH3 domain, and several tyrosine phosphorylation sites. Like SKAP1, SKAP2 is expected to bind primarily to a proline-rich region of ADAP through its SH3 domain; its degradation may be regulated by ADAP. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212978 Cd Length: 53 Bit Score: 36.42 E-value: 3.44e-03
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| SH3_SH3RF2_3 | cd11784 | Third Src Homology 3 domain of SH3 domain containing ring finger 2; SH3RF2 is also called ... |
745-795 | 3.60e-03 | ||||||||
Third Src Homology 3 domain of SH3 domain containing ring finger 2; SH3RF2 is also called POSHER (POSH-eliminating RING protein) or HEPP1 (heart protein phosphatase 1-binding protein). It acts as an anti-apoptotic regulator of the JNK pathway by binding to and promoting the degradation of SH3RF1 (or POSH), a scaffold protein that is required for pro-apoptotic JNK activation. It may also play a role in cardiac functions together with protein phosphatase 1. SH3RF2 contains an N-terminal RING finger domain and three SH3 domains. This model represents the third SH3 domain, located in the middle, of SH3RF2. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212718 Cd Length: 55 Bit Score: 36.68 E-value: 3.60e-03
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| PTZ00440 | PTZ00440 | reticulocyte binding protein 2-like protein; Provisional |
462-686 | 3.72e-03 | ||||||||
reticulocyte binding protein 2-like protein; Provisional Pssm-ID: 240419 [Multi-domain] Cd Length: 2722 Bit Score: 41.36 E-value: 3.72e-03
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| SH3_Abp1_fungi_C1 | cd11962 | First C-terminal Src homology 3 domain of Fungal Actin-binding protein 1; Abp1 is an adaptor ... |
748-797 | 3.98e-03 | ||||||||
First C-terminal Src homology 3 domain of Fungal Actin-binding protein 1; Abp1 is an adaptor protein that functions in receptor-mediated endocytosis and vesicle trafficking. It contains an N-terminal actin-binding module, the actin-depolymerizing factor (ADF) homology domain, a central proline-rich region, and a C-terminal SH3 domain (many yeast Abp1 proteins contain two C-terminal SH3 domains). Yeast Abp1 also contains two acidic domains that bind directly to the Arp2/3 complex, which is required to initiate actin polymerization. The SH3 domain of yeast Abp1 binds and localizes the kinases, Ark1p and Prk1p, which facilitate actin patch disassembly following vesicle internalization. It also mediates the localization to the actin patch of the synaptojanin-like protein, Sjl2p, which plays a key role in endocytosis. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212895 [Multi-domain] Cd Length: 54 Bit Score: 36.31 E-value: 3.98e-03
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| YhaN | COG4717 | Uncharacterized conserved protein YhaN, contains AAA domain [Function unknown]; |
409-655 | 4.07e-03 | ||||||||
Uncharacterized conserved protein YhaN, contains AAA domain [Function unknown]; Pssm-ID: 443752 [Multi-domain] Cd Length: 641 Bit Score: 40.91 E-value: 4.07e-03
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| tolA_full | TIGR02794 | TolA protein; TolA couples the inner membrane complex of itself with TolQ and TolR to the ... |
336-513 | 4.15e-03 | ||||||||
TolA protein; TolA couples the inner membrane complex of itself with TolQ and TolR to the outer membrane complex of TolB and OprL (also called Pal). Most of the length of the protein consists of low-complexity sequence that may differ in both length and composition from one species to another, complicating efforts to discriminate TolA (the most divergent gene in the tol-pal system) from paralogs such as TonB. Selection of members of the seed alignment and criteria for setting scoring cutoffs are based largely conserved operon struction. //The Tol-Pal complex is required for maintaining outer membrane integrity. Also involved in transport (uptake) of colicins and filamentous DNA, and implicated in pathogenesis. Transport is energized by the proton motive force. TolA is an inner membrane protein that interacts with periplasmic TolB and with outer membrane porins ompC, phoE and lamB. [Transport and binding proteins, Other, Cellular processes, Pathogenesis] Pssm-ID: 274303 [Multi-domain] Cd Length: 346 Bit Score: 40.60 E-value: 4.15e-03
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| SH3_CAS | cd11844 | Src homology 3 domain of CAS (Crk-Associated Substrate) scaffolding proteins; CAS proteins ... |
746-794 | 4.19e-03 | ||||||||
Src homology 3 domain of CAS (Crk-Associated Substrate) scaffolding proteins; CAS proteins function as molecular scaffolds to regulate protein complexes that are involved in many cellular processes including migration, chemotaxis, apoptosis, differentiation, and progenitor cell function. They mediate the signaling of integrins at focal adhesions where they localize, and thus, regulate cell invasion and survival. Over-expression of these proteins is implicated in poor prognosis, increased metastasis, and resistance to chemotherapeutics in many cancers such as breast, lung, melanoma, and glioblastoma. CAS proteins have also been linked to the pathogenesis of inflammatory disorders, Alzheimer's, Parkinson's, and developmental defects. They share a common domain structure that includes an N-terminal SH3 domain, an unstructured substrate domain that contains many YxxP motifs, a serine-rich four-helix bundle, and a FAT-like C-terminal domain. Vertebrates contain four CAS proteins: BCAR1 (or p130Cas), NEDD9 (or HEF1), EFS (or SIN), and CASS4 (or HEPL). The SH3 domain of CAS proteins binds to diverse partners including FAK, FRNK, Pyk2, PTP-PEST, DOCK180, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212778 Cd Length: 56 Bit Score: 36.56 E-value: 4.19e-03
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| SH3_Sorbs2_3 | cd11917 | Third (or C-terminal) Src Homology 3 domain of Sorbin and SH3 domain containing 2 (Sorbs2), ... |
745-799 | 4.44e-03 | ||||||||
Third (or C-terminal) Src Homology 3 domain of Sorbin and SH3 domain containing 2 (Sorbs2), also called Arg-binding protein 2 (ArgBP2); Sorbs2 or ArgBP2 is an adaptor protein containing one sorbin homology (SoHo) and three SH3 domains. It regulates actin-dependent processes including cell adhesion, morphology, and migration. It is expressed in many tissues and is abundant in the heart. Like vinexin, it is found in focal adhesion where it interacts with vinculin and afadin. It also localizes in epithelial cell stress fibers and in cardiac muscle cell Z-discs. Sorbs2 has been implicated to play roles in the signaling of c-Arg, Akt, and Pyk2. Other interaction partners of Sorbs2 include c-Abl, flotillin, spectrin, dynamin 1/2, synaptojanin, PTP-PEST, among others. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212850 [Multi-domain] Cd Length: 61 Bit Score: 36.51 E-value: 4.44e-03
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| SH3_Src | cd12008 | Src homology 3 domain of Src Protein Tyrosine Kinase; Src (or c-Src) is a cytoplasmic (or ... |
745-795 | 4.48e-03 | ||||||||
Src homology 3 domain of Src Protein Tyrosine Kinase; Src (or c-Src) is a cytoplasmic (or non-receptor) PTK and is the vertebrate homolog of the oncogenic protein (v-Src) from Rous sarcoma virus. Together with other Src subfamily proteins, it is involved in signaling pathways that regulate cytokine and growth factor responses, cytoskeleton dynamics, cell proliferation, survival, and differentiation. Src also play a role in regulating cell adhesion, invasion, and motility in cancer cells, and tumor vasculature, contributing to cancer progression and metastasis. Elevated levels of Src kinase activity have been reported in a variety of human cancers. Several inhibitors of Src have been developed as anti-cancer drugs. Src is also implicated in acute inflammatory responses and osteoclast function. Src kinases contain an N-terminal SH4 domain with a myristoylation site, followed by SH3 and SH2 domains, a tyr kinase domain, and a regulatory C-terminal region containing a conserved tyr. They are activated by autophosphorylation at the tyr kinase domain, but are negatively regulated by phosphorylation at the C-terminal tyr by Csk (C-terminal Src Kinase). The SH3 domain of Src kinases contributes to substrate recruitment by binding adaptor proteins/substrates, and regulation of kinase activity through an intramolecular interaction. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212941 [Multi-domain] Cd Length: 56 Bit Score: 36.24 E-value: 4.48e-03
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| OmpH | pfam03938 | Outer membrane protein (OmpH-like); This family includes outer membrane proteins such as OmpH ... |
335-415 | 4.63e-03 | ||||||||
Outer membrane protein (OmpH-like); This family includes outer membrane proteins such as OmpH among others. Skp (OmpH) has been characterized as a molecular chaperone that interacts with unfolded proteins as they emerge in the periplasm from the Sec translocation machinery. Pssm-ID: 461098 [Multi-domain] Cd Length: 140 Bit Score: 38.71 E-value: 4.63e-03
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| GBP_C | cd16269 | Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal ... |
616-686 | 4.68e-03 | ||||||||
Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal domain. Guanylate-binding proteins (GBPs) are synthesized after activation of the cell by interferons. The biochemical properties of GBPs are clearly different from those of Ras-like and heterotrimeric GTP-binding proteins. They bind guanine nucleotides with low affinity (micromolar range), are stable in their absence, and have a high turnover GTPase. In addition to binding GDP/GTP, they have the unique ability to bind GMP with equal affinity and hydrolyze GTP not only to GDP, but also to GMP. This C-terminal domain has been shown to mediate inhibition of endothelial cell proliferation by inflammatory cytokines. Pssm-ID: 293879 [Multi-domain] Cd Length: 291 Bit Score: 40.25 E-value: 4.68e-03
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| SH3_SKAP1-like | cd11866 | Src Homology 3 domain of Src Kinase-Associated Phosphoprotein 1 and similar proteins; This ... |
744-795 | 4.73e-03 | ||||||||
Src Homology 3 domain of Src Kinase-Associated Phosphoprotein 1 and similar proteins; This subfamily is composed of SKAP1, SKAP2, and similar proteins. SKAP1 and SKAP2 are immune cell-specific adaptor proteins that play roles in T- and B-cell adhesion, respectively, and are thus important in the migration of T- and B-cells to sites of inflammation and for movement during T-cell conjugation with antigen-presenting cells. Both SKAP1 and SKAP2 bind to ADAP (adhesion and degranulation-promoting adaptor protein), among many other binding partners. They contain a pleckstrin homology (PH) domain, a C-terminal SH3 domain, and several tyrosine phosphorylation sites. The SH3 domain of SKAP1 is necessary for its ability to regulate T-cell conjugation with antigen-presenting cells and the formation of LFA-1 clusters. SKAP1 binds primarily to a proline-rich region of ADAP through its SH3 domain; its degradation is regulated by ADAP. A secondary interaction occurs via the ADAP SH3 domain and the RKxxYxxY motif in SKAP1. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212800 Cd Length: 53 Bit Score: 36.26 E-value: 4.73e-03
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| GBP_C | cd16269 | Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal ... |
370-500 | 4.76e-03 | ||||||||
Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal domain. Guanylate-binding proteins (GBPs) are synthesized after activation of the cell by interferons. The biochemical properties of GBPs are clearly different from those of Ras-like and heterotrimeric GTP-binding proteins. They bind guanine nucleotides with low affinity (micromolar range), are stable in their absence, and have a high turnover GTPase. In addition to binding GDP/GTP, they have the unique ability to bind GMP with equal affinity and hydrolyze GTP not only to GDP, but also to GMP. This C-terminal domain has been shown to mediate inhibition of endothelial cell proliferation by inflammatory cytokines. Pssm-ID: 293879 [Multi-domain] Cd Length: 291 Bit Score: 40.25 E-value: 4.76e-03
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| SH3_SKAP1 | cd12044 | Src Homology 3 domain of Src Kinase-Associated Phosphoprotein 1; SKAP1, also called SKAP55 ... |
744-795 | 4.76e-03 | ||||||||
Src Homology 3 domain of Src Kinase-Associated Phosphoprotein 1; SKAP1, also called SKAP55 (Src kinase-associated protein of 55kDa), is an immune cell-specific adaptor protein that plays an important role in T-cell adhesion, migration, and integrin clustering. It is expressed exclusively in T-lymphocytes, mast cells, and macrophages. Binding partners include ADAP (adhesion and degranulation-promoting adaptor protein), Fyn, Riam, RapL, and RasGRP. It contains a pleckstrin homology (PH) domain, a C-terminal SH3 domain, and several tyrosine phosphorylation sites. The SH3 domain of SKAP1 is necessary for its ability to regulate T-cell conjugation with antigen-presenting cells and the formation of LFA-1 clusters. SKAP1 binds primarily to a proline-rich region of ADAP through its SH3 domain; its degradation is regulated by ADAP. A secondary interaction occurs via the ADAP SH3 domain and the RKxxYxxY motif in SKAP1. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212977 Cd Length: 53 Bit Score: 36.37 E-value: 4.76e-03
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| YhaN | COG4717 | Uncharacterized conserved protein YhaN, contains AAA domain [Function unknown]; |
295-504 | 5.00e-03 | ||||||||
Uncharacterized conserved protein YhaN, contains AAA domain [Function unknown]; Pssm-ID: 443752 [Multi-domain] Cd Length: 641 Bit Score: 40.91 E-value: 5.00e-03
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| CHASE3 | COG5278 | Extracytoplasmic sensor domain CHASE3 (specificity unknown) [Signal transduction mechanisms]; |
356-740 | 5.02e-03 | ||||||||
Extracytoplasmic sensor domain CHASE3 (specificity unknown) [Signal transduction mechanisms]; Pssm-ID: 444089 [Multi-domain] Cd Length: 530 Bit Score: 40.66 E-value: 5.02e-03
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| ClassIIa_HDAC9_Gln-rich-N | cd10163 | Glutamine-rich N-terminal helical domain of HDAC9, a Class IIa histone deacetylase; This ... |
326-407 | 5.08e-03 | ||||||||
Glutamine-rich N-terminal helical domain of HDAC9, a Class IIa histone deacetylase; This family consists of the glutamine-rich domain of histone deacetylase 9 (HDAC9). It belongs to a superfamily that consists of the glutamine-rich N-terminal helical extension to certain Class IIa histone deacetylases (HDACs), including HDAC4, HDAC5 and HDCA9; it is missing from HDAC7. This domain confers responsiveness to calcium signals and mediates interactions with transcription factors and cofactors, and it is able to repress transcription independently of the HDAC C-terminal, zinc-dependent catalytic domain. It has many intra- and inter-helical interactions which are possibly involved in reversible assembly and disassembly of proteins. HDACs regulate diverse cellular processes through enzymatic deacetylation of histone as well as non-histone proteins, in particular deacetylating N(6)-acetyl-lysine residues. Pssm-ID: 197399 [Multi-domain] Cd Length: 90 Bit Score: 37.43 E-value: 5.08e-03
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| Cast | pfam10174 | RIM-binding protein of the cytomatrix active zone; This is a family of proteins that form part ... |
371-635 | 5.10e-03 | ||||||||
RIM-binding protein of the cytomatrix active zone; This is a family of proteins that form part of the CAZ (cytomatrix at the active zone) complex which is involved in determining the site of synaptic vesicle fusion. The C-terminus is a PDZ-binding motif that binds directly to RIM (a small G protein Rab-3A effector). The family also contains four coiled-coil domains. Pssm-ID: 431111 [Multi-domain] Cd Length: 766 Bit Score: 40.96 E-value: 5.10e-03
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| SH3_PI3K_p85beta | cd11909 | Src Homology 3 domain of the p85beta regulatory subunit of Class IA Phosphatidylinositol ... |
745-799 | 5.17e-03 | ||||||||
Src Homology 3 domain of the p85beta regulatory subunit of Class IA Phosphatidylinositol 3-kinases; Class I PI3Ks convert PtdIns(4,5)P2 to the critical second messenger PtdIns(3,4,5)P3. They are heterodimers and exist in multiple isoforms consisting of one catalytic subunit (out of four isoforms) and one of several regulatory subunits. Class IA PI3Ks associate with the p85 regulatory subunit family, which contains SH3, RhoGAP, and SH2 domains. The p85 subunits recruit the PI3K p110 catalytic subunit to the membrane, where p110 phosphorylates inositol lipids. Vertebrates harbor two p85 isoforms, called alpha and beta. In addition to regulating the p110 subunit, p85beta binds CD28 and may be involved in the activation and differentiation of antigen-stimulated T cells. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212842 Cd Length: 74 Bit Score: 36.73 E-value: 5.17e-03
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| PRK02224 | PRK02224 | DNA double-strand break repair Rad50 ATPase; |
352-679 | 5.29e-03 | ||||||||
DNA double-strand break repair Rad50 ATPase; Pssm-ID: 179385 [Multi-domain] Cd Length: 880 Bit Score: 40.79 E-value: 5.29e-03
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| DDRGK | pfam09756 | DDRGK domain; This is a family of proteins of approximately 300 residues, found in plants and ... |
343-412 | 5.38e-03 | ||||||||
DDRGK domain; This is a family of proteins of approximately 300 residues, found in plants and vertebrates. They contain a highly conserved DDRGK motif. Pssm-ID: 370664 [Multi-domain] Cd Length: 188 Bit Score: 39.25 E-value: 5.38e-03
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| CCDC66 | pfam15236 | Coiled-coil domain-containing protein 66; This protein family, named Coiled-coil ... |
585-681 | 5.49e-03 | ||||||||
Coiled-coil domain-containing protein 66; This protein family, named Coiled-coil domain-containing protein 66 (CCDC) refers to a protein domain found in eukaryotes, and is approximately 160 amino acids in length. CCDC66 protein is detected mainly in the inner segments of photoreceptors in many vertebrates including mice and humans. It has been found in dogs, that a mutation in the CCDC66 gene causes generalized progressive retinal atrophy (gPRA). This shows that the protein encoded for by this gene is vital for healthy vision and guards against photoreceptor cell degeneration. The structure of CCDC66 proteins includes a heptad repeat pattern which contains at least one coiled-coil domain. There are at least two or more alpha-helices which form a cable-like structure. Pssm-ID: 434558 [Multi-domain] Cd Length: 154 Bit Score: 38.62 E-value: 5.49e-03
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| SH3_SPIN90 | cd11849 | Src homology 3 domain of SH3 protein interacting with Nck, 90 kDa (SPIN90); SPIN90 is also ... |
745-797 | 5.49e-03 | ||||||||
Src homology 3 domain of SH3 protein interacting with Nck, 90 kDa (SPIN90); SPIN90 is also called NCK interacting protein with SH3 domain (NCKIPSD), Dia-interacting protein (DIP), 54 kDa vimentin-interacting protein (VIP54), or WASP-interacting SH3-domain protein (WISH). It is an F-actin binding protein that regulates actin polymerization and endocytosis. It associates with the Arp2/3 complex near actin filaments and determines filament localization at the leading edge of lamellipodia. SPIN90 is expressed in the early stages of neuronal differentiation and plays a role in regulating growth cone dynamics and neurite outgrowth. It also interacts with IRSp53 and regulates cell motility by playing a role in the formation of membrane protrusions. SPIN90 contains an N-terminal SH3 domain, a proline-rich domain, and a C-terminal VCA (verprolin-homology and cofilin-like acidic) domain. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212783 [Multi-domain] Cd Length: 53 Bit Score: 36.14 E-value: 5.49e-03
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| SH3_SH3RF1_1 | cd11927 | First Src Homology 3 domain of SH3 domain containing ring finger protein 1, an E3 ... |
746-797 | 5.52e-03 | ||||||||
First Src Homology 3 domain of SH3 domain containing ring finger protein 1, an E3 ubiquitin-protein ligase; SH3RF1 is also called POSH (Plenty of SH3s) or SH3MD2 (SH3 multiple domains protein 2). It is a scaffold protein that acts as an E3 ubiquitin-protein ligase. It plays a role in calcium homeostasis through the control of the ubiquitin domain protein Herp. It may also have a role in regulating death receptor mediated and JNK mediated apoptosis. SH3RF1 also enhances the ubiquitination of ROMK1 potassium channel resulting in its increased endocytosis. It contains an N-terminal RING finger domain and four SH3 domains. This model represents the first SH3 domain, located at the N-terminal half, of SH3RF1. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212860 Cd Length: 54 Bit Score: 36.08 E-value: 5.52e-03
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| Lebercilin | pfam15619 | Ciliary protein causing Leber congenital amaurosis disease; Lebercilin is a family of ... |
353-496 | 5.94e-03 | ||||||||
Ciliary protein causing Leber congenital amaurosis disease; Lebercilin is a family of eukaryotic ciliary proteins. Mutations in the gene, LCA5, are implicated in the disease Leber congenital amaurosis. In photoreceptors, lebercilin is uniquely localized at the cilium that bridges the inner and outer segments. Lebercilin functions as an integral element of selective protein transport through photoreceptor cilia. Lebercilin specifically interacts with the intraflagellar transport (IFT), and disruption of IFT can lead to Leber congenital amaurosis. Pssm-ID: 464776 [Multi-domain] Cd Length: 193 Bit Score: 39.12 E-value: 5.94e-03
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| PRK00106 | PRK00106 | ribonuclease Y; |
558-652 | 6.06e-03 | ||||||||
ribonuclease Y; Pssm-ID: 178867 [Multi-domain] Cd Length: 535 Bit Score: 40.24 E-value: 6.06e-03
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| SH3_Eve1_2 | cd11815 | Second Src homology 3 domain of ADAM-binding protein Eve-1; Eve-1, also called SH3 ... |
748-795 | 6.24e-03 | ||||||||
Second Src homology 3 domain of ADAM-binding protein Eve-1; Eve-1, also called SH3 domain-containing protein 19 (SH3D19) or EEN-binding protein (EBP), exists in multiple alternatively spliced isoforms. The longest isoform contains five SH3 domain in the C-terminal region and seven proline-rich motifs in the N-terminal region. It is abundantly expressed in skeletal muscle and heart, and may be involved in regulating the activity of ADAMs (A disintegrin and metalloproteases). Eve-1 interacts with EEN, an endophilin involved in endocytosis and may be the target of the MLL-EEN fusion protein that is implicated in leukemogenesis. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212749 [Multi-domain] Cd Length: 52 Bit Score: 36.00 E-value: 6.24e-03
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| Borrelia_P83 | pfam05262 | Borrelia P83/100 protein; This family consists of several Borrelia P83/P100 antigen proteins. |
569-675 | 6.31e-03 | ||||||||
Borrelia P83/100 protein; This family consists of several Borrelia P83/P100 antigen proteins. Pssm-ID: 114011 [Multi-domain] Cd Length: 489 Bit Score: 40.37 E-value: 6.31e-03
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| SH3_JIP1_like | cd11801 | Src homology 3 domain of JNK-interacting proteins 1 and 2, and similar domains; ... |
745-796 | 6.34e-03 | ||||||||
Src homology 3 domain of JNK-interacting proteins 1 and 2, and similar domains; JNK-interacting proteins (JIPs) function as scaffolding proteins for c-Jun N-terminal kinase (JNK) signaling pathways. They bind to components of Mitogen-activated protein kinase (MAPK) pathways such as JNK, MKK, and several MAP3Ks such as MLK and DLK. There are four JIPs (JIP1-4); all contain a JNK binding domain. JIP1 and JIP2 also contain SH3 and Phosphotyrosine-binding (PTB) domains. Both are highly expressed in the brain and pancreatic beta-cells. JIP1 functions as an adaptor linking motor to cargo during axonal transport and also is involved in regulating insulin secretion. JIP2 form complexes with fibroblast growth factor homologous factors (FHFs), which facilitates activation of the p38delta MAPK. The SH3 domain of JIP1 homodimerizes at the interface usually involved in proline-rich ligand recognition, despite the lack of this motif in the domain itself. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212735 Cd Length: 55 Bit Score: 35.75 E-value: 6.34e-03
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| PRK12704 | PRK12704 | phosphodiesterase; Provisional |
472-655 | 6.44e-03 | ||||||||
phosphodiesterase; Provisional Pssm-ID: 237177 [Multi-domain] Cd Length: 520 Bit Score: 40.15 E-value: 6.44e-03
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| ClpA | COG0542 | ATP-dependent Clp protease, ATP-binding subunit ClpA [Posttranslational modification, protein ... |
565-668 | 6.47e-03 | ||||||||
ATP-dependent Clp protease, ATP-binding subunit ClpA [Posttranslational modification, protein turnover, chaperones]; Pssm-ID: 440308 [Multi-domain] Cd Length: 836 Bit Score: 40.45 E-value: 6.47e-03
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| SH3_DOCK1_5_A | cd12051 | Src Homology 3 domain of Class A Dedicator of Cytokinesis proteins 1 and 5; Dock1, also called ... |
744-795 | 6.55e-03 | ||||||||
Src Homology 3 domain of Class A Dedicator of Cytokinesis proteins 1 and 5; Dock1, also called Dock180, and Dock5 are class A DOCKs and are atypical guanine nucleotide exchange factors (GEFs) that lack the conventional Dbl homology (DH) domain. Dock1 interacts with the scaffold protein Elmo and the resulting complex functions upstream of Rac in many biological events including phagocytosis of apoptotic cells, cell migration and invasion. Dock5 functions upstream of Rac1 to regulate osteoclast function. All DOCKs contain two homology domains: the DHR-1 (Dock homology region-1), also called CZH1 (CED-5, Dock180, and MBC-zizimin homology 1), and DHR-2 (also called CZH2 or Docker). The DHR-1 domain binds phosphatidylinositol-3,4,5-triphosphate while DHR-2 contains the catalytic activity for Rac and/or Cdc42. Class A DOCKs also contain an SH3 domain at the N-terminal region and a PxxP motif at the C-terminus; they are specific GEFs for Rac. The SH3 domain of Dock1 binds to DHR-2 in an autoinhibitory manner; binding of Elmo to the SH3 domain of Dock1 exposes the DHR-2 domain and promotes GEF activity. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212984 [Multi-domain] Cd Length: 56 Bit Score: 35.95 E-value: 6.55e-03
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| Mplasa_alph_rch | TIGR04523 | helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of ... |
334-641 | 6.60e-03 | ||||||||
helix-rich Mycoplasma protein; Members of this family occur strictly within a subset of Mycoplasma species. Members average 750 amino acids in length, including signal peptide. Sequences are predicted (Jpred 3) to be almost entirely alpha-helical. These sequences show strong periodicity (consistent with long alpha helical structures) and low complexity rich in D,E,N,Q, and K. Genes encoding these proteins are often found in tandem. The function is unknown. Pssm-ID: 275316 [Multi-domain] Cd Length: 745 Bit Score: 40.39 E-value: 6.60e-03
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| MAP7 | pfam05672 | MAP7 (E-MAP-115) family; The organization of microtubules varies with the cell type and is ... |
351-468 | 6.80e-03 | ||||||||
MAP7 (E-MAP-115) family; The organization of microtubules varies with the cell type and is presumably controlled by tissue-specific microtubule-associated proteins (MAPs). The 115-kDa epithelial MAP (E-MAP-115/MAP7) has been identified as a microtubule-stabilising protein predominantly expressed in cell lines of epithelial origin. The binding of this microtubule associated protein is nucleotide independent. Pssm-ID: 461709 [Multi-domain] Cd Length: 153 Bit Score: 38.48 E-value: 6.80e-03
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| PRK00409 | PRK00409 | recombination and DNA strand exchange inhibitor protein; Reviewed |
373-482 | 6.90e-03 | ||||||||
recombination and DNA strand exchange inhibitor protein; Reviewed Pssm-ID: 234750 [Multi-domain] Cd Length: 782 Bit Score: 40.20 E-value: 6.90e-03
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| GBP_C | cd16269 | Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal ... |
363-493 | 7.20e-03 | ||||||||
Guanylate-binding protein, C-terminal domain; Guanylate-binding protein (GBP), C-terminal domain. Guanylate-binding proteins (GBPs) are synthesized after activation of the cell by interferons. The biochemical properties of GBPs are clearly different from those of Ras-like and heterotrimeric GTP-binding proteins. They bind guanine nucleotides with low affinity (micromolar range), are stable in their absence, and have a high turnover GTPase. In addition to binding GDP/GTP, they have the unique ability to bind GMP with equal affinity and hydrolyze GTP not only to GDP, but also to GMP. This C-terminal domain has been shown to mediate inhibition of endothelial cell proliferation by inflammatory cytokines. Pssm-ID: 293879 [Multi-domain] Cd Length: 291 Bit Score: 39.48 E-value: 7.20e-03
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| Myosin_tail_1 | pfam01576 | Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and ... |
335-686 | 7.39e-03 | ||||||||
Myosin tail; The myosin molecule is a multi-subunit complex made up of two heavy chains and four light chains it is a fundamental contractile protein found in all eukaryote cell types. This family consists of the coiled-coil myosin heavy chain tail region. The coiled-coil is composed of the tail from two molecules of myosin. These can then assemble into the macromolecular thick filament. The coiled-coil region provides the structural backbone the thick filament. Pssm-ID: 460256 [Multi-domain] Cd Length: 1081 Bit Score: 40.54 E-value: 7.39e-03
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| iSH2_PI3K_IA_R | cd12923 | Inter-Src homology 2 (iSH2) helical domain of Class IA Phosphoinositide 3-kinase Regulatory ... |
352-468 | 7.51e-03 | ||||||||
Inter-Src homology 2 (iSH2) helical domain of Class IA Phosphoinositide 3-kinase Regulatory subunits; PI3Ks catalyze the transfer of the gamma-phosphoryl group from ATP to the 3-hydroxyl of the inositol ring of D-myo-phosphatidylinositol (PtdIns) or its derivatives. They play an important role in a variety of fundamental cellular processes, including cell motility, the Ras pathway, vesicle trafficking and secretion, immune cell activation, and apoptosis. They are classified according to their substrate specificity, regulation, and domain structure. Class IA PI3Ks are heterodimers of a p110 catalytic (C) subunit and a p85-related regulatory (R) subunit. The R subunit down-regulates PI3K basal activity, stabilizes the C subunit, and plays a role in the activation downstream of tyrosine kinases. All R subunits contain two SH2 domains that flank an intervening helical domain (iSH2), which binds to the N-terminal adaptor-binding domain (ABD) of the catalytic subunit. In vertebrates, there are three genes (PIK3R1, PIK3R2, and PIK3R3) that encode for different Class IA PI3K R subunits. Pssm-ID: 214016 [Multi-domain] Cd Length: 152 Bit Score: 37.97 E-value: 7.51e-03
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| CALCOCO1 | pfam07888 | Calcium binding and coiled-coil domain (CALCOCO1) like; Proteins found in this family are ... |
335-657 | 7.73e-03 | ||||||||
Calcium binding and coiled-coil domain (CALCOCO1) like; Proteins found in this family are similar to the coiled-coil transcriptional coactivator protein coexpressed by Mus musculus (CoCoA/CALCOCO1). This protein binds to a highly conserved N-terminal domain of p160 coactivators, such as GRIP1, and thus enhances transcriptional activation by a number of nuclear receptors. CALCOCO1 has a central coiled-coil region with three leucine zipper motifs, which is required for its interaction with GRIP1 and may regulate the autonomous transcriptional activation activity of the C-terminal region. Pssm-ID: 462303 [Multi-domain] Cd Length: 488 Bit Score: 39.88 E-value: 7.73e-03
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| DUF3584 | pfam12128 | Protein of unknown function (DUF3584); This protein is found in bacteria and eukaryotes. ... |
490-682 | 7.76e-03 | ||||||||
Protein of unknown function (DUF3584); This protein is found in bacteria and eukaryotes. Proteins in this family are typically between 943 to 1234 amino acids in length. This family contains a P-loop motif suggesting it is a nucleotide binding protein. It may be involved in replication. Pssm-ID: 432349 [Multi-domain] Cd Length: 1191 Bit Score: 40.21 E-value: 7.76e-03
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| SH3_CIP4-like | cd11911 | Src Homology 3 domain of Cdc42-Interacting Protein 4; This subfamily is composed of ... |
746-779 | 7.76e-03 | ||||||||
Src Homology 3 domain of Cdc42-Interacting Protein 4; This subfamily is composed of Cdc42-Interacting Protein 4 (CIP4), Formin Binding Protein 17 (FBP17), FormiN Binding Protein 1-Like (FNBP1L), and similar proteins. CIP4 and FNBP1L are Cdc42 effectors that bind Wiskott-Aldrich syndrome protein (WASP) and function in endocytosis. CIP4 and FBP17 bind to the Fas ligand and may be implicated in the inflammatory response. CIP4 may also play a role in phagocytosis. It functions downstream of Cdc42 in PDGF-dependent actin reorganization and cell migration, and also regulates the activity of PDGFRbeta. It uses Src as a substrate in regulating the invasiveness of breast tumor cells. CIP4 may also play a role in the pathogenesis of Huntington's disease. Members of this subfamily typically contain an N-terminal F-BAR (FES-CIP4 Homology and Bin/Amphiphysin/Rvs) domain, a central Cdc42-binding HR1 domain, and a C-terminal SH3 domain. The SH3 domain of CIP4 associates with Gapex-5, a Rab31 GEF. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212844 [Multi-domain] Cd Length: 55 Bit Score: 35.70 E-value: 7.76e-03
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| PRK04778 | PRK04778 | septation ring formation regulator EzrA; Provisional |
364-708 | 7.80e-03 | ||||||||
septation ring formation regulator EzrA; Provisional Pssm-ID: 179877 [Multi-domain] Cd Length: 569 Bit Score: 40.20 E-value: 7.80e-03
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
355-599 | 8.22e-03 | ||||||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 40.31 E-value: 8.22e-03
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| Cast | pfam10174 | RIM-binding protein of the cytomatrix active zone; This is a family of proteins that form part ... |
364-659 | 8.35e-03 | ||||||||
RIM-binding protein of the cytomatrix active zone; This is a family of proteins that form part of the CAZ (cytomatrix at the active zone) complex which is involved in determining the site of synaptic vesicle fusion. The C-terminus is a PDZ-binding motif that binds directly to RIM (a small G protein Rab-3A effector). The family also contains four coiled-coil domains. Pssm-ID: 431111 [Multi-domain] Cd Length: 766 Bit Score: 40.19 E-value: 8.35e-03
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| PTZ00440 | PTZ00440 | reticulocyte binding protein 2-like protein; Provisional |
457-648 | 9.01e-03 | ||||||||
reticulocyte binding protein 2-like protein; Provisional Pssm-ID: 240419 [Multi-domain] Cd Length: 2722 Bit Score: 40.20 E-value: 9.01e-03
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| SH3_GRAP2_N | cd11947 | N-terminal Src homology 3 domain of GRB2-related adaptor protein 2; GRAP2 is also called GADS ... |
746-797 | 9.21e-03 | ||||||||
N-terminal Src homology 3 domain of GRB2-related adaptor protein 2; GRAP2 is also called GADS (GRB2-related adapter downstream of Shc), GrpL, GRB2L, Mona, or GRID (Grb2-related protein with insert domain). It is expressed specifically in the hematopoietic system. It plays an important role in T cell receptor (TCR) signaling by promoting the formation of the SLP-76:LAT complex, which couples the TCR to the Ras pathway. It also have roles in antigen-receptor and tyrosine kinase mediated signaling. GRAP2 is unique from other GRB2-like adaptor proteins in that it can be regulated by caspase cleavage. It contains an N-terminal SH3 domain, a central SH2 domain, and a C-terminal SH3 domain. The N-terminal SH3 domain of the related protein GRB2 binds to Sos and Sos-derived proline-rich peptides. SH3 domains are protein interaction domains that bind to proline-rich ligands with moderate affinity and selectivity, preferentially to PxxP motifs. They play versatile and diverse roles in the cell including the regulation of enzymes, changing the subcellular localization of signaling pathway components, and mediating the formation of multiprotein complex assemblies. Pssm-ID: 212880 [Multi-domain] Cd Length: 52 Bit Score: 35.54 E-value: 9.21e-03
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