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3C4H

Human poly(ADP-ribose) polymerase 3, catalytic fragment in complex with an inhibitor DR2313

Functional Information from GO Data
ChainGOidnamespacecontents
A0003950molecular_functionNAD+ poly-ADP-ribosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE DRL A 601
ChainResidue
AHIS384
AGLY385
ATYR414
APHE415
ASER422
ATYR425
AGLU514

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE DMS A 700
ChainResidue
AARG400
AMET402
AGLY398
ALEU399

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues118
DetailsDomain: {"description":"PARP alpha-helical","evidences":[{"source":"PROSITE-ProRule","id":"PRU00398","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues28
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"ADP-ribosyl aspartic acid","evidences":[{"source":"PubMed","id":"25043379","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues5
DetailsModified residue: {"description":"ADP-ribosyl glutamic acid","evidences":[{"source":"PubMed","id":"25043379","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a26
ChainResidueDetails
AGLU514
ATYR425

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PDB entries from 2025-07-30

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