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4ZZZ

Structure of human PARP1 catalytic domain bound to an isoindolinone inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0003950molecular_functionNAD+ poly-ADP-ribosyltransferase activity
B0003950molecular_functionNAD+ poly-ADP-ribosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 2012
ChainResidue
AHOH3008
BLYS903
BLEU984
BLEU985
BTYR986
BGOL2013

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 2015
ChainResidue
ATYR986
AGOL2018
AHOH3075
ALYS903
ALEU984
ALEU985

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 2016
ChainResidue
AARG858
AMET929
ALYS949

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 2017
ChainResidue
AASP766
AILE879
AALA880
ATYR889
ALYS893
AGLY894
ATYR896
AHOH3047

site_idAC5
Number of Residues10
DetailsBINDING SITE FOR RESIDUE GOL A 2018
ChainResidue
AMET890
ATYR896
ALYS903
ALEU984
AGLU988
ASO42015
AFSU2019
AHOH3045
AHOH3052
AHOH3075

site_idAC6
Number of Residues10
DetailsBINDING SITE FOR RESIDUE GOL B 2013
ChainResidue
AHOH3008
BMET890
BTYR896
BLYS903
BTYR907
BLEU984
BGLU988
BSO42012
BFSU2015
BHOH3041

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 2014
ChainResidue
BARG858
BMET929
BLYS949

site_idAC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE FSU A 2019
ChainResidue
AHIS862
AGLY863
ATYR896
APHE897
ASER904
ATYR907
AGOL2018

site_idAC9
Number of Residues8
DetailsBINDING SITE FOR RESIDUE FSU B 2015
ChainResidue
BHIS862
BGLY863
BTYR896
BPHE897
BSER904
BTYR907
BGLU988
BGOL2013

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues117
DetailsDomain: {"description":"PARP alpha-helical","evidences":[{"source":"PROSITE-ProRule","id":"PRU00398","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues226
DetailsDomain: {"description":"PARP catalytic","evidences":[{"source":"PROSITE-ProRule","id":"PRU00397","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
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_FI4
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q9UGN5","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
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_FI6
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

246333

PDB entries from 2025-12-17

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