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3KCZ

Human poly(ADP-ribose) polymerase 2, catalytic fragment in complex with an inhibitor 3-aminobenzamide

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 Residues5
DetailsBINDING SITE FOR RESIDUE 3AB A 1
ChainResidue
AHIS428
AGLY429
APHE463
ASER470
ATYR473

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 580
ChainResidue
APHE475
AALA476
APHE577
AASP396
ATYR397
AALA471
AASN472

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE 3AB B 1
ChainResidue
BHIS428
BGLY429
BPHE463
BSER470
BTYR473

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL B 580
ChainResidue
BASP396
BTYR397
BALA471
BASN472
BPHE475
BALA476

Functional Information from PROSITE/UniProt
site_idPS00867
Number of Residues8
DetailsCPSASE_2 Carbamoyl-phosphate synthase subdomain signature 2. LLEANPKA
ChainResidueDetails
ALEU498-ALA505

site_idPS01121
Number of Residues15
DetailsCASPASE_HIS Caspase family histidine active site. HgsrmSnwVgILSHG
ChainResidueDetails
AHIS428-GLY442

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"For poly [ADP-ribose] polymerase activity","evidences":[{"source":"PubMed","id":"26704974","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"30104678","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"32028527","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"32028527","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6TX3","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a26
ChainResidueDetails
ATYR473
AGLU558

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a26
ChainResidueDetails
BTYR473
BGLU558

239149

PDB entries from 2025-07-23

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