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Conserved domains on  [gi|89886464|ref|NP_848631|]
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epididymal-specific lipocalin-12 precursor [Homo sapiens]

Protein Classification

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
lipocalin_12 cd19458
Lipocalin 12; Lipocalin 12 (LCN12) is an epididymis-specific protein which binds all-trans ...
31-192 3.77e-115

Lipocalin 12; Lipocalin 12 (LCN12) is an epididymis-specific protein which binds all-trans retinoic acid. It may act as a retinoid carrier protein within the epididymis and play a role in male reproduction. This subgroup belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


:

Pssm-ID: 381233  Cd Length: 165  Bit Score: 324.20  E-value: 3.77e-115
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  31 MQSFQGNQFQGEWFVLGLAGNSFRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVDHGV 110
Cdd:cd19458   3 MTSFQSNQFQGEWFVLGLADNTFRREHRALLNAFTTLFELSDDSRFQVTNSMTRGKHCDTWSYTLIPAAKPGQFTRDNRG 82
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464 111 -EPGADREETRVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVFPDVTGWSPQA 189
Cdd:cd19458  83 sGPGADRENIQVIETDYTQFALVLSLRQTSRQNITRVSLLGRSWLLPHKTIDQFICLTRTQNLTKDNILFPDLTDWLPDP 162

                ...
gi 89886464 190 SVC 192
Cdd:cd19458 163 SVC 165
 
Name Accession Description Interval E-value
lipocalin_12 cd19458
Lipocalin 12; Lipocalin 12 (LCN12) is an epididymis-specific protein which binds all-trans ...
31-192 3.77e-115

Lipocalin 12; Lipocalin 12 (LCN12) is an epididymis-specific protein which binds all-trans retinoic acid. It may act as a retinoid carrier protein within the epididymis and play a role in male reproduction. This subgroup belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381233  Cd Length: 165  Bit Score: 324.20  E-value: 3.77e-115
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  31 MQSFQGNQFQGEWFVLGLAGNSFRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVDHGV 110
Cdd:cd19458   3 MTSFQSNQFQGEWFVLGLADNTFRREHRALLNAFTTLFELSDDSRFQVTNSMTRGKHCDTWSYTLIPAAKPGQFTRDNRG 82
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464 111 -EPGADREETRVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVFPDVTGWSPQA 189
Cdd:cd19458  83 sGPGADRENIQVIETDYTQFALVLSLRQTSRQNITRVSLLGRSWLLPHKTIDQFICLTRTQNLTKDNILFPDLTDWLPDP 162

                ...
gi 89886464 190 SVC 192
Cdd:cd19458 163 SVC 165
Lipocalin pfam00061
Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small ...
40-184 9.70e-23

Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small hydrophobic molecules, such as lipids, steroid hormones, bilins, and retinoids. The family also encompasses the enzyme prostaglandin D synthase (EC:5.3.99.2). Alignment subsumes both the lipocalin and fatty acid binding protein signatures from PROSITE. This is supported on structural and functional grounds. The structure is an eight-stranded beta barrel.


Pssm-ID: 395015  Cd Length: 143  Bit Score: 88.65  E-value: 9.70e-23
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464    40 QGEWFVLGLAGNSFRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVDhgVEPGADREET 119
Cdd:pfam00061   1 SGKWYLIASANFNELEEEMKALGVGFATIKVLENGNLPVTEITKEGGKCKTVSVTFKKTEEPGKLGVE--FDEYAGGRKV 78
                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 89886464   120 RVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVFPDVTG 184
Cdd:pfam00061  79 KVLTTDYDNYLIFYQKGDKDGKTTIVRELYGRDPELSPELLEKFKKFLKELGIDEENIVRLYQKD 143
 
Name Accession Description Interval E-value
lipocalin_12 cd19458
Lipocalin 12; Lipocalin 12 (LCN12) is an epididymis-specific protein which binds all-trans ...
31-192 3.77e-115

Lipocalin 12; Lipocalin 12 (LCN12) is an epididymis-specific protein which binds all-trans retinoic acid. It may act as a retinoid carrier protein within the epididymis and play a role in male reproduction. This subgroup belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381233  Cd Length: 165  Bit Score: 324.20  E-value: 3.77e-115
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  31 MQSFQGNQFQGEWFVLGLAGNSFRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVDHGV 110
Cdd:cd19458   3 MTSFQSNQFQGEWFVLGLADNTFRREHRALLNAFTTLFELSDDSRFQVTNSMTRGKHCDTWSYTLIPAAKPGQFTRDNRG 82
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464 111 -EPGADREETRVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVFPDVTGWSPQA 189
Cdd:cd19458  83 sGPGADRENIQVIETDYTQFALVLSLRQTSRQNITRVSLLGRSWLLPHKTIDQFICLTRTQNLTKDNILFPDLTDWLPDP 162

                ...
gi 89886464 190 SVC 192
Cdd:cd19458 163 SVC 165
lipocalin_2_12-like cd19432
lipocalin 2 and 12 and similar proteins; Lipocalin-2 (LCN2, also known as siderocalin, ...
34-183 1.12e-60

lipocalin 2 and 12 and similar proteins; Lipocalin-2 (LCN2, also known as siderocalin, uterocalin, neutrophil gelatinase-associated lipocalin) is expressed in renal, endothelial, liver, smooth muscle cells, cardiomyocytes, in various populations of immune cells and dendritic cells. Roles ascribed to LCN2 include chemotactic and bacteriostatic effects, and iron trafficking. LCN2 can also act as a growth factor. It plays a key role in the pathophysiology of renal and cardiovascular diseases, and is involved in various deleterious processes, such as inflammation and fibrosis. It is used as a renal injury biomarker. Lipocalin 12 (LCN12) is an epididymis-specific protein which binds all-trans retinoic acid. It may act as a retinoid carrier protein within the epididymis and play a role in male reproduction. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381207  Cd Length: 154  Bit Score: 185.97  E-value: 1.12e-60
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  34 FQGNQFQGEWFVLGLAGNSFRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVDH-GVEP 112
Cdd:cd19432   1 FQDNQFQGKWYVVGLAGNAILREDKDPQKMYATIYELKEDKSYNVTSVLFRKKKCDYWIRTFVPGNQPGEFTLGNiKSYP 80
                        90       100       110       120       130       140       150
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 89886464 113 GADREETRVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVFPDVT 183
Cdd:cd19432  81 GLTSYLVRVVSTNYNQHAMVFFKKVSQNREYFKITLYGRTKELTSELKENFIRFSKSLGLPENHIVFPVPI 151
lipocalin_2-like cd19457
lipocalin 2 and similar proteins; Lipocalin-2 (LCN2, also known as siderocalin, uterocalin, ...
32-184 1.57e-36

lipocalin 2 and similar proteins; Lipocalin-2 (LCN2, also known as siderocalin, uterocalin, oncogene 24p3, and neutrophil gelatinase-associated lipocalin) is expressed in renal, endothelial, liver, smooth muscle cells, cardiomyocytes, in various populations of immune cells and dendritic cells. Roles ascribed to LCN2, include chemotactic and bacteriostatic effects, and iron trafficking. LCN2 can also act as a growth factor. It plays an key role in the pathophysiology of renal and cardiovascular diseases, and is involved in various deleterious processes, such as inflammation and fibrosis. It is used as a renal injury biomarker. This subgroup belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381232  Cd Length: 173  Bit Score: 125.18  E-value: 1.57e-36
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  32 QSFQGNQFQGEWFVLGLAGNSFRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVDHGVE 111
Cdd:cd19457  17 PDFQDDQFQGKWYVIGVAGNTIQNESLSQLTMYSTIYELKDDHSYNVTSILFRDKGCEHWIRTFVPSVQPGQFTLGNITS 96
                        90       100       110       120       130       140       150
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....
gi 89886464 112 -PGADREETRVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVFPDVTG 184
Cdd:cd19457  97 yPGLQSYTVRVVATDYNQFAMVFFKKTSENRVYFEITLYGRTKELSPELKERFIKFSKSLGLPDDNIIFTVPIG 170
lipocalin_L-PGDS cd19419
lipocalin-type prostaglandin D synthase; Lipocalin-type prostaglandin D synthase (L-PGDS; EC:5. ...
34-192 3.74e-26

lipocalin-type prostaglandin D synthase; Lipocalin-type prostaglandin D synthase (L-PGDS; EC:5.3.99.2) is a secreted enzyme and the second most abundant protein in human cerebrospinal fluid. L-PGDS acts as both, an enzyme and as a lipid transporter, converting prostaglandin H2 to prostaglandin D2 and serving as a carrier for hydrophobic ligands including retinoids, hemoglobin metabolites, thyroid hormones, gangliosides, and fatty acids. L-PGDS belongs to the lipocalin/cytosolic fatty-acid binding protein family which has a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381194  Cd Length: 158  Bit Score: 97.81  E-value: 3.74e-26
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  34 FQGNQFQGEWFVLGLAGNS--FRPeHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFT------ 105
Cdd:cd19419   5 FDLDKFAGRWYSVGLASNSnwFVE-KKAKLKMCTTVVAPTTDGNLNLTMTFLKKNGCETRTYLYEKTEQPGRFTyksprw 83
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464 106 -VDHGVepgadreetRVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVFPdvtg 184
Cdd:cd19419  84 gSDHDV---------RVVETNYDEYALVHTIKTKGNEEFTMVTLYSRTQTLRPELKEKFRQFAKAQGFTEENIVTL---- 150

                ....*...
gi 89886464 185 wsPQASVC 192
Cdd:cd19419 151 --PQTDEC 156
Lipocalin pfam00061
Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small ...
40-184 9.70e-23

Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small hydrophobic molecules, such as lipids, steroid hormones, bilins, and retinoids. The family also encompasses the enzyme prostaglandin D synthase (EC:5.3.99.2). Alignment subsumes both the lipocalin and fatty acid binding protein signatures from PROSITE. This is supported on structural and functional grounds. The structure is an eight-stranded beta barrel.


Pssm-ID: 395015  Cd Length: 143  Bit Score: 88.65  E-value: 9.70e-23
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464    40 QGEWFVLGLAGNSFRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVDhgVEPGADREET 119
Cdd:pfam00061   1 SGKWYLIASANFNELEEEMKALGVGFATIKVLENGNLPVTEITKEGGKCKTVSVTFKKTEEPGKLGVE--FDEYAGGRKV 78
                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 89886464   120 RVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVFPDVTG 184
Cdd:pfam00061  79 KVLTTDYDNYLIFYQKGDKDGKTTIVRELYGRDPELSPELLEKFKKFLKELGIDEENIVRLYQKD 143
lipocalin_FABP cd00301
lipocalin/cytosolic fatty acid-binding protein family; Lipocalins are diverse, mainly low ...
38-151 6.28e-14

lipocalin/cytosolic fatty acid-binding protein family; Lipocalins are diverse, mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules as well as membrane bound-receptors. They have a large beta-barrel ligand-binding cavity. Members include retinol-binding protein, retinoic acid-binding protein, complement protein C8 gamma, Can f 2, apolipoprotein D, extracellular fatty acid-binding protein, beta-lactoglobulin, oderant-binding protein, and bacterial lipocalin Blc. Lipocalins are involved in many important processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty acid-binding proteins also bind hydrophobic ligands in a non-covalent, reversible manner, and are involved in protection and shuttling of fatty acids within the cell, and in acquisition and removal of fatty acids from intracellular sites.


Pssm-ID: 381182  Cd Length: 109  Bit Score: 64.87  E-value: 6.28e-14
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  38 QFQGEWFVLGLAGNsfrPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVDHGVEPGADre 117
Cdd:cd00301   1 KFSGKWYEVASASN---APEEDEGKCTTAEYTLEGNGNLKVTNSFVRDGVCKSITGTLKKTDGPGKFTVTYPGYTGKN-- 75
                        90       100       110
                ....*....|....*....|....*....|....
gi 89886464 118 ETRVVDSDYTQFALMLSRRHTSRLAVLRISLLGR 151
Cdd:cd00301  76 ELYVLSTDYDNYAIVYSCKNLDGGHTVVAWLLSR 109
lipocalin_A1M-like cd19418
lipocalin domain of alpha1-microglobulin and similar proteins; Alpha(1)-microglobulin (A1M, ...
32-179 8.90e-08

lipocalin domain of alpha1-microglobulin and similar proteins; Alpha(1)-microglobulin (A1M, also known as protein AMBP, alpha-1 microglycoprotein, and protein HC), has immunosuppressive properties, such as inhibition of antigen induced lymphocyte cell-proliferation, cytokine secretion, and oxidative burst of neutrophils. A1M may participate in the reducing and scavenging of biological pro-oxidants such as heme and heme-proteins. It binds heme strongly, and a C-terminally processed form of the protein degrades the heme. It can reduce cytochrome C, nitroblue tetrazolium, methemoglobin and free iron, using NADH, NADPH or ascorbate as cofactor. Intravenous administration of recombinant A1M in animal models eliminates or significantly reduces the manifestations of preeclampsia. A1M is a useful biomarker in clinical diagnostics for monitoring pre-eclampsia, hepatitis E, renal tubular dysfunction, and renal toxicity. A1M belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381193  Cd Length: 163  Bit Score: 49.37  E-value: 8.90e-08
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  32 QSFQGNQFQGEWFVLGLAGNS-FRPEHRAllNAFTATFELSDDGR-FEVWNAMTRGQH--CDTWSYVLIPAAQPGQFTVd 107
Cdd:cd19418   6 ENFNLSRIYGKWYDLAVGSTCpWLKRIKD--KMAIGTLVLQEGATgAELSMTRTRLRRgtCEEISGEYEKTDTPGKFLY- 82
                        90       100       110       120       130       140       150
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 89886464 108 HGVEPGADREeTRVVDSDYTQFALMLS---RRHTSRLAVLRisLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVF 179
Cdd:cd19418  83 HKSKWNATVD-AYVVHTNYDEYAIFLMkkfKRHGEPTTTLK--LYGRTPQLRPTLLQDFRTLALEQGIPEDSIII 154
lipocalin_15-like cd19422
lipocalin 15 and similar proteins, such as chicken CALbeta; This subfamily includes ...
38-178 4.01e-07

lipocalin 15 and similar proteins, such as chicken CALbeta; This subfamily includes uncharacterized human lipocalin 15, and chicken chondrogenesis-associated lipocalin (CAL) beta which is associated with chondrogenesis and inflammation. It belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381197  Cd Length: 143  Bit Score: 47.55  E-value: 4.01e-07
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  38 QFQGEWFVLGLAGN-SFRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVdhgvePGADR 116
Cdd:cd19422   1 KFAGLWHVMAMASDcPVFLGMKDHMTSSTTAIRPTPEGDLTMHTEFPLPDGCKQIEAEFQKSGQAGHFRV-----PELGK 75
                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|..
gi 89886464 117 EETRVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNIV 178
Cdd:cd19422  76 RDLRVMDTDYSSYAILYIYKELEGESSTMVQLYTRNQDVSPQLLQKFKELYPTLGLTEDMMV 137
lipocalin_apoD-like cd19437
apolipoprotein D and similar proteins; Human apolipoprotein D (ApoD) is a small glycoprotein ...
31-161 1.53e-05

apolipoprotein D and similar proteins; Human apolipoprotein D (ApoD) is a small glycoprotein associated with high density lipoproteins (HDL) in plasma. It appears promiscuous since it can bind hydrophobic ligands belonging to different lipid groups, with different shapes and biochemical properties; however, it exhibits specificity between very similar lipidic species. Some ligands, such as progesterone and arachidonic acid, bind to the ligand-binding pocket with high affinity, while others may interact with ApoD via its region of surface hydrophobicity. This hydrophobic surface cluster may facilitate its association with HDL particles and facilitate its insertion into cellular lipid membranes. Drosophila NLaz and Schistocerca Laz belong to this group, and share functional properties with human ApoD, including regulation of lifespan, lipid and carbohydrate metabolism control, and protection against oxidative stress or starvation. This group also includes Sandercyanin, a blue protein secreted in the skin mucus of blue forms of walleye, Sander vitreus. Walleye is an important golden yellow commercial and sport fish; the findings of blue walleye are recent. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381212 [Multi-domain]  Cd Length: 160  Bit Score: 43.39  E-value: 1.53e-05
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  31 MQSFQGNQFQGEWFvlglagnsfrpEHRALLNAF-------TATFELSDDGRFEVWNAMTRGQ----HCDTWSYVLIPAA 99
Cdd:cd19437  10 QEDFDVDKYLGRWY-----------EIERYPAPFekggdcvTANYSLNDDGTVRVVNSGINLTdgsiNTIEGSARCPDPN 78
                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 89886464 100 QPGQFTVD-HGVEPGADreeTRVVDSDYTQFALMLSRRHTSRLAVLRIS-LLGRSWLLPPGTLD 161
Cdd:cd19437  79 EPAKLGVSfPGFPPAGP---YWVLDTDYDNYAIVYSCTDVLGLFKVEYAwILSRQRTLSAETLT 139
lipocalin_Ex-FABP-like cd19439
extracellular fatty acid-binding protein; Ex-FABP (also known as siderocalin, lipocalin Q83 or ...
37-180 1.27e-04

extracellular fatty acid-binding protein; Ex-FABP (also known as siderocalin, lipocalin Q83 or protein Ch21) displays a dual ligand binding mode as it can bind siderophore and fatty acids simultaneously. ExFABP has a cavity which extends through the protein and has two separate ligand specificities, one for bacterial siderophores at one end, and other specifically binding co-purified lysophosphatidic acid (LPA), a potent cell signaling molecule, at the other end. As well as acting as an LPA "sensor", Ex-FABP is bacteriostatic, and tightly binds the 2,3-catechol-type ferric siderophores enterobactin, bacillibactin, and parabactin, associated with enteric bacteria and Gram-positive bacilli. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381214  Cd Length: 142  Bit Score: 40.34  E-value: 1.27e-04
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  37 NQFQGEWFVLGLAGNS-FRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQftVDHGVEPgad 115
Cdd:cd19439   2 SELAGKWYLVALASNTdFFLREKGKMKMMMARISFLGEDELLVSYAFPSPGGCRKWETTFKKTSDDGE--VYYSEEA--- 76
                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 89886464 116 REETRVVDSDYTQFALMLSRRHTSRLAVLRISLLGRSWLLPPGTLDQFICLGRAQGLSDDNI-VFP 180
Cdd:cd19439  77 RKTVEVLDTDYKSYAVIYATRVKDGRTLHMMRLYSRSQEVSPEAEAIFRKLAEERNYTDEMVaILP 142
lipocalin_1_3_4_13-like cd19414
lipocalin-1, -3, -4, -13 and similar proteins; Lipocalin-1 (LCN1, also known as tear lipocalin, ...
38-180 8.10e-04

lipocalin-1, -3, -4, -13 and similar proteins; Lipocalin-1 (LCN1, also known as tear lipocalin, von ebner's gland protein, or tear specific prealbumin), the main lipid carrier in human tears, is critical to functions involving lipids in protection of the ocular surface. Its large ligand pocket accommodates a range of ligands including alkyl alcohols, glycolipids, phospholipids, cholesterol, steroids, and siderophores. Lipocalin-3 (LCN3, also known as vomeronasal secretory protein 1) and lipocalin-4 (LCN4, also known as vomeronasal secretory protein 2) are involved in transport of lipophilic molecules, and are possibly pheromone-carriers. Lipocalin-13 (LCN13, also known as odorant binding protein 2A) may bind and transport small hydrophobic volatile molecules with a higher affinity for aldehydes and large fatty acids. Another member of this family is late lactation protein B (LLPB), a milk protein produced during the late phase of lactation, which may be involved in transporting a small ligand released during the hydrolysis of milk fat. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381189  Cd Length: 147  Bit Score: 38.08  E-value: 8.10e-04
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 89886464  38 QFQGEWFVLGLAGNSFRPEHRALLNAFTATFELSDDGRFEVWNAMTRGQHCDTWSYVLIPAAQPGQFTVDHG--VEpgaD 115
Cdd:cd19414   4 DVSGTWYLKAMVVDKEFPEKRRPRKVSPVTVTALEGGNLEAKFTFMINGRCEEVKIVLEKTDEPGKYTAFSGkkVV---Y 80
                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 89886464 116 REETRVVDsDYTQFALMLSRRHTSRLAvlriSLLGRSWLLPPGTLDQFICLGRAQGLSDDNIVFP 180
Cdd:cd19414  81 IQETSVKD-HYILYCEGELHGMTFRMA----KLVGRDPEENPEALEEFKKFVQRKGLNEENIVIP 140
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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