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6VBH

Human XPG endonuclease catalytic domain

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003697molecular_functionsingle-stranded DNA binding
A0003824molecular_functioncatalytic activity
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0005634cellular_componentnucleus
A0006289biological_processnucleotide-excision repair
A0016788molecular_functionhydrolase activity, acting on ester bonds
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue SO4 A 1001
ChainResidue
AASP847
AASN849
ALYS850
AHIS884
AGLY885

site_idAC2
Number of Residues6
Detailsbinding site for residue SO4 A 1002
ChainResidue
ACYS871
AHOH1136
AGLN4
AGLY5
ALYS8
AGLY870

site_idAC3
Number of Residues3
Detailsbinding site for residue SO4 A 1003
ChainResidue
ALYS952
AARG970
AHOH1102

site_idAC4
Number of Residues7
Detailsbinding site for residue SO4 A 1004
ChainResidue
ALEU83
ALYS85
ATHR863
AGLU864
AHOH1128
AHOH1134
AHOH1152

site_idAC5
Number of Residues3
Detailsbinding site for residue SO4 A 1005
ChainResidue
AARG819
ATYR837
AHOH1122

site_idAC6
Number of Residues4
Detailsbinding site for residue SO4 A 1006
ChainResidue
ATRP34
AGLN37
AHIS54
ATHR57

site_idAC7
Number of Residues3
Detailsbinding site for residue SO4 A 1007
ChainResidue
ATRP895
AASP911
AARG919

site_idAC8
Number of Residues5
Detailsbinding site for residue SO4 A 1008
ChainResidue
APRO867
ATHR868
AVAL869
AHOH1110
AHOH1132

site_idAC9
Number of Residues5
Detailsbinding site for residue SO4 A 1009
ChainResidue
APRO782
ATYR783
ATHR912
AHOH1143
AHOH1167

site_idAD1
Number of Residues2
Detailsbinding site for residue SO4 A 1010
ChainResidue
AARG970
AHOH1150

site_idAD2
Number of Residues3
Detailsbinding site for residue SO4 A 1011
ChainResidue
ATHR57
AHIS60
AHOH1141

site_idAD3
Number of Residues4
Detailsbinding site for residue SO4 A 1012
ChainResidue
ALEU66
ATRP950
AGLY951
AHOH1176

site_idAD4
Number of Residues3
Detailsbinding site for residue SO4 A 1013
ChainResidue
AARG94
AARG98
AARG126

site_idAD5
Number of Residues4
Detailsbinding site for residue SO4 A 1014
ChainResidue
AARG98
AARG126
AGLY845
AHOH1130

site_idAD6
Number of Residues1
Detailsbinding site for residue SO4 A 1015
ChainResidue
AARG777

Functional Information from PROSITE/UniProt
site_idPS00841
Number of Residues15
DetailsXPG_1 XPG protein signature 1. IRPiFVFDGdaPlLK
ChainResidueDetails
AILE70-LYS84

site_idPS00842
Number of Residues15
DetailsXPG_2 XPG protein signature 2. GIPYIqAPmEAEAQC
ChainResidueDetails
AGLY780-CYS794

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00614","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P39748","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues95
DetailsRegion: {"description":"I-domain","evidences":[{"source":"PubMed","id":"32522879","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues16
DetailsRegion: {"description":"DNA-binding; may bind to the undamaged single-strand DNA of the DNA repair bubble","evidences":[{"source":"PubMed","id":"32821917","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6TUW","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"6TUX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues32
DetailsRegion: {"description":"DNA-binding; H2TH (helix-2turn-helix) motif which binds double-stranded DNA","evidences":[{"source":"PubMed","id":"32821917","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6TUW","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"6TUX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues6
DetailsRegion: {"description":"DNA-binding; may bind double-stranded DNA","evidences":[{"source":"PubMed","id":"32821917","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6TUW","evidenceCode":"ECO:0000312"},{"source":"PDB","id":"6TUX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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