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4HHZ

Crystal structure of PARP catalytic domain in complex with novel inhibitors

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 Residues13
DetailsBINDING SITE FOR RESIDUE 15S A 401
ChainResidue
ATYR49
ATYR228
APHE236
ASER243
ATYR246
AASP105
ALEU108
AHIS201
AGLY202
AARG217
AILE218
AALA219
APRO220

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 402
ChainResidue
ALYS242
ALEU323
ALEU324
ATYR325

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE 15S B 401
ChainResidue
BLEU108
BHIS201
BGLY202
BARG217
BILE218
BALA219
BPRO220
BTYR228
BTYR235
BPHE236
BALA237
BSER243
BTYR246
BGLU327
BHOH507

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 402
ChainResidue
BLYS242
BLEU323
BLEU324
BTYR325

site_idAC5
Number of Residues16
DetailsBINDING SITE FOR RESIDUE 15S C 401
ChainResidue
CTYR49
CASP105
CLEU108
CHIS201
CGLY202
CARG217
CILE218
CALA219
CPRO220
CTYR228
CGLY233
CPHE236
CLYS242
CSER243
CTYR246
CGLU327

site_idAC6
Number of Residues13
DetailsBINDING SITE FOR RESIDUE 15S D 401
ChainResidue
DASP105
DLEU108
DHIS201
DGLY202
DARG217
DILE218
DALA219
DPRO220
DTYR228
DTYR235
DPHE236
DSER243
DTYR246

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 D 402
ChainResidue
DLYS242
DLEU324
DTYR325

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues351
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 Residues3
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"21406692","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues6
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

247536

PDB entries from 2026-01-14

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