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Conserved domains on  [gi|2507492865|dbj|BEH84543|]
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hypothetical protein [Klebsiella phage phiKp_7-1]

Protein Classification

PD-(D/E)XK nuclease family protein( domain architecture ID 1193)

PD-(D/E)XK nuclease family protein similar to CRISPR-associated exonuclease Cas4

EC:  3.1.-.-
Gene Ontology:  GO:0004527
PubMed:  15972856

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
Cas4_I-A_I-B_I-C_I-D_II-B super family cl00641
CRISPR/Cas system-associated protein Cas4; CRISPR (Clustered Regularly Interspaced Short ...
152-320 4.51e-20

CRISPR/Cas system-associated protein Cas4; CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) and associated Cas proteins comprise a system for heritable host defense by prokaryotic cells against phage and other foreign DNA; Cas4 is RecB-like nuclease with three-cysteine C-terminal cluster


The actual alignment was detected with superfamily member pfam12684:

Pssm-ID: 469855 [Multi-domain]  Cd Length: 231  Bit Score: 87.36  E-value: 4.51e-20
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865 152 HDIVKKANEE----RGDREGIRGQDYDIIQEMRAVLFNNESFkEYFVDGMSEVSIFFSYQGLRCKVRLDWISKFADMVDY 227
Cdd:pfam12684  47 HEEFKKENKEayttRRPPKGELKAEFQIANQMIERLKNDPLF-MKLYSGEKEVIFTGELFGVPWKIKIDSLNPEGYFVDL 125
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865 228 KTTDTANPERFMRKCF------DLGYPLKMALQREGFKAAFGqKPRRTMLLAQEKSSPFVVAPFALSNKTLMIGYAQLRE 301
Cdd:pfam12684 126 KTTRDIHKRKWNEDAGrrvtieAYGYDLQMAVYQEGLRQNTG-KTLPPYIIAVEKETPPDKAIITAGQSFLDEGLDEVEE 204
                         170
                  ....*....|....*....
gi 2507492865 302 AIATFKWCRDNDTWPTYGG 320
Cdd:pfam12684 205 NLERLKKVKNGEVEPGYCG 223
 
Name Accession Description Interval E-value
DUF3799 pfam12684
PDDEXK-like domain of unknown function (DUF3799); This family of proteins is functionally ...
152-320 4.51e-20

PDDEXK-like domain of unknown function (DUF3799); This family of proteins is functionally uncharacterized. This family of proteins is found in bacteria and viruses. Proteins in this family are typically between 265 and 420 amino acids in length. It appears that these proteins are distantly related to the PDDEXK superfamily and so these domains are likely to be nucleases. This family has a C-terminal cysteine cluster similar to that found in pfam01930.


Pssm-ID: 432717 [Multi-domain]  Cd Length: 231  Bit Score: 87.36  E-value: 4.51e-20
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865 152 HDIVKKANEE----RGDREGIRGQDYDIIQEMRAVLFNNESFkEYFVDGMSEVSIFFSYQGLRCKVRLDWISKFADMVDY 227
Cdd:pfam12684  47 HEEFKKENKEayttRRPPKGELKAEFQIANQMIERLKNDPLF-MKLYSGEKEVIFTGELFGVPWKIKIDSLNPEGYFVDL 125
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865 228 KTTDTANPERFMRKCF------DLGYPLKMALQREGFKAAFGqKPRRTMLLAQEKSSPFVVAPFALSNKTLMIGYAQLRE 301
Cdd:pfam12684 126 KTTRDIHKRKWNEDAGrrvtieAYGYDLQMAVYQEGLRQNTG-KTLPPYIIAVEKETPPDKAIITAGQSFLDEGLDEVEE 204
                         170
                  ....*....|....*....
gi 2507492865 302 AIATFKWCRDNDTWPTYGG 320
Cdd:pfam12684 205 NLERLKKVKNGEVEPGYCG 223
PRK09709 PRK09709
exodeoxyribonuclease VIII;
19-316 7.50e-12

exodeoxyribonuclease VIII;


Pssm-ID: 236615 [Multi-domain]  Cd Length: 877  Bit Score: 66.53  E-value: 7.50e-12
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865  19 DLSNEDYHAeTDHMNGSGLWELFSTcPANW---KFAEEKKKQSRALVFGTAAHANHLEPELFAREYFRMPEkedFIKRDD 95
Cdd:PRK09709  613 GISNENYHA-GPGVSKSQLDDIADT-PALYlwrKNAPVDTTKTKTLDLGTAFHCRVLEPEEFSNRFIVAPE---FNRRTN 687
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865  96 NGDiipqpnfitslEAAKAFLKEHGVAGyskmkepeliETVtntaaalgitdvvfwhdivkkaneergdregIRGQDYDI 175
Cdd:PRK09709  688 AGK-----------EEEKAFLMECASTG----------KTV-------------------------------ITAEEGRK 715
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865 176 IQEMRAVLFNNeSFKEYFVD--GMSEVSIFFS--YQGLRCKVRLD-WISKFADMVDYKTtdTANPERFMRKCFDLGYPLK 250
Cdd:PRK09709  716 IELMYQSVMAL-PLGQWLVEsaGHAESSIYWEdpETGILCRCRPDkIIPEFHWIMDVKT--TADIQRFKTAYYDYRYHVQ 792
                         250       260       270       280       290       300
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 2507492865 251 MALQREGFKAAFGQKPRRTMLLAQE--KSSPFVVAPFALSNKTLMIGYAQLREAIATFKWCRDNDTWP 316
Cdd:PRK09709  793 DAFYSDGYEAQFGVQPTFVFLVASTtiECGRYPVEIFMMGEEAKLAGQQEYHRNLRTLADCLNTDEWP 860
 
Name Accession Description Interval E-value
DUF3799 pfam12684
PDDEXK-like domain of unknown function (DUF3799); This family of proteins is functionally ...
152-320 4.51e-20

PDDEXK-like domain of unknown function (DUF3799); This family of proteins is functionally uncharacterized. This family of proteins is found in bacteria and viruses. Proteins in this family are typically between 265 and 420 amino acids in length. It appears that these proteins are distantly related to the PDDEXK superfamily and so these domains are likely to be nucleases. This family has a C-terminal cysteine cluster similar to that found in pfam01930.


Pssm-ID: 432717 [Multi-domain]  Cd Length: 231  Bit Score: 87.36  E-value: 4.51e-20
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865 152 HDIVKKANEE----RGDREGIRGQDYDIIQEMRAVLFNNESFkEYFVDGMSEVSIFFSYQGLRCKVRLDWISKFADMVDY 227
Cdd:pfam12684  47 HEEFKKENKEayttRRPPKGELKAEFQIANQMIERLKNDPLF-MKLYSGEKEVIFTGELFGVPWKIKIDSLNPEGYFVDL 125
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865 228 KTTDTANPERFMRKCF------DLGYPLKMALQREGFKAAFGqKPRRTMLLAQEKSSPFVVAPFALSNKTLMIGYAQLRE 301
Cdd:pfam12684 126 KTTRDIHKRKWNEDAGrrvtieAYGYDLQMAVYQEGLRQNTG-KTLPPYIIAVEKETPPDKAIITAGQSFLDEGLDEVEE 204
                         170
                  ....*....|....*....
gi 2507492865 302 AIATFKWCRDNDTWPTYGG 320
Cdd:pfam12684 205 NLERLKKVKNGEVEPGYCG 223
PRK09709 PRK09709
exodeoxyribonuclease VIII;
19-316 7.50e-12

exodeoxyribonuclease VIII;


Pssm-ID: 236615 [Multi-domain]  Cd Length: 877  Bit Score: 66.53  E-value: 7.50e-12
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865  19 DLSNEDYHAeTDHMNGSGLWELFSTcPANW---KFAEEKKKQSRALVFGTAAHANHLEPELFAREYFRMPEkedFIKRDD 95
Cdd:PRK09709  613 GISNENYHA-GPGVSKSQLDDIADT-PALYlwrKNAPVDTTKTKTLDLGTAFHCRVLEPEEFSNRFIVAPE---FNRRTN 687
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865  96 NGDiipqpnfitslEAAKAFLKEHGVAGyskmkepeliETVtntaaalgitdvvfwhdivkkaneergdregIRGQDYDI 175
Cdd:PRK09709  688 AGK-----------EEEKAFLMECASTG----------KTV-------------------------------ITAEEGRK 715
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2507492865 176 IQEMRAVLFNNeSFKEYFVD--GMSEVSIFFS--YQGLRCKVRLD-WISKFADMVDYKTtdTANPERFMRKCFDLGYPLK 250
Cdd:PRK09709  716 IELMYQSVMAL-PLGQWLVEsaGHAESSIYWEdpETGILCRCRPDkIIPEFHWIMDVKT--TADIQRFKTAYYDYRYHVQ 792
                         250       260       270       280       290       300
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 2507492865 251 MALQREGFKAAFGQKPRRTMLLAQE--KSSPFVVAPFALSNKTLMIGYAQLREAIATFKWCRDNDTWP 316
Cdd:PRK09709  793 DAFYSDGYEAQFGVQPTFVFLVASTtiECGRYPVEIFMMGEEAKLAGQQEYHRNLRTLADCLNTDEWP 860
 
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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