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6VKK

Crystal Structure of human PARP-1 CAT domain bound to inhibitor rucaparib

Functional Information from GO Data
ChainGOidnamespacecontents
A0003950molecular_functionNAD+ poly-ADP-ribosyltransferase activity
B0003950molecular_functionNAD+ poly-ADP-ribosyltransferase activity
C0003950molecular_functionNAD+ poly-ADP-ribosyltransferase activity
D0003950molecular_functionNAD+ poly-ADP-ribosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues15
Detailsbinding site for residue RPB A 1101
ChainResidue
AGLU763
ALYS903
ASER904
ATYR907
AGLU988
AHOH1209
AHOH1230
AASP766
AHIS862
AGLY863
AGLY888
ATYR889
ATYR896
APHE897
AALA898

site_idAC2
Number of Residues7
Detailsbinding site for residue GOL A 1102
ChainResidue
AGLY843
AGLU844
ACYS845
AGLN846
CGLU842
CGLY843
CGLN846

site_idAC3
Number of Residues5
Detailsbinding site for residue SO4 A 1103
ChainResidue
ALYS943
BLYS838
BLYS1000
DGLN846
DLYS849

site_idAC4
Number of Residues5
Detailsbinding site for residue SO4 A 1104
ChainResidue
ALYS903
ALEU984
ALEU985
ATYR986
AHOH1201

site_idAC5
Number of Residues3
Detailsbinding site for residue SO4 A 1105
ChainResidue
AARG858
AMET929
ALYS949

site_idAC6
Number of Residues13
Detailsbinding site for residue RPB D 1101
ChainResidue
DGLU763
DASP766
DHIS862
DGLY863
DGLY888
DTYR889
DTYR896
DPHE897
DALA898
DLYS903
DSER904
DTYR907
DGLU988

site_idAC7
Number of Residues7
Detailsbinding site for residue GOL D 1102
ChainResidue
BGLY843
BCYS845
BGLN846
DGLY843
DGLU844
DCYS845
DGLN846

site_idAC8
Number of Residues4
Detailsbinding site for residue SO4 D 1103
ChainResidue
DLYS903
DLEU984
DLEU985
DTYR986

site_idAC9
Number of Residues14
Detailsbinding site for residue RPB C 1101
ChainResidue
CGLN759
CGLU763
CHIS862
CGLY863
CGLY888
CTYR889
CTYR896
CPHE897
CALA898
CLYS903
CSER904
CTYR907
CGLU988
CHOH1210

site_idAD1
Number of Residues5
Detailsbinding site for residue SO4 C 1102
ChainResidue
AGLN846
ALYS849
CLYS838
CLYS1000
DLYS943

site_idAD2
Number of Residues4
Detailsbinding site for residue SO4 C 1103
ChainResidue
CLYS903
CLEU984
CLEU985
CTYR986

site_idAD3
Number of Residues3
Detailsbinding site for residue SO4 C 1104
ChainResidue
CARG858
CMET929
CLYS949

site_idAD4
Number of Residues4
Detailsbinding site for residue GOL B 1201
ChainResidue
BGLY944
BHIS946
CGLY944
CHIS946

site_idAD5
Number of Residues14
Detailsbinding site for residue RPB B 1202
ChainResidue
BSER904
BTYR907
BGLU988
BHOH1313
BGLN759
BGLU763
BHIS862
BGLY863
BTHR887
BTYR889
BTYR896
BPHE897
BALA898
BLYS903

site_idAD6
Number of Residues4
Detailsbinding site for residue SO4 B 1203
ChainResidue
BLYS903
BLEU984
BLEU985
BTYR986

site_idAD7
Number of Residues5
Detailsbinding site for residue SO4 B 1204
ChainResidue
BARG858
BMET929
BLYS949
BHOH1307
DGLY978

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues234
DetailsDomain: {"description":"PARP alpha-helical","evidences":[{"source":"PROSITE-ProRule","id":"PRU00398","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"For poly [ADP-ribose] polymerase activity","evidences":[{"source":"PubMed","id":"32028527","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"7852410","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"9315851","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues20
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q9UGN5","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternate","evidences":[{"source":"PubMed","id":"25218447","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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