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2RIQ

Crystal Structure of the Third Zinc-binding domain of human PARP-1

Functional Information from GO Data
ChainGOidnamespacecontents
A0008270molecular_functionzinc ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 1
ChainResidue
ACYS295
ACYS298
ACYS311
ACYS321

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EOH A 2
ChainResidue
APHE339
AILE342
ALEU348
AHOH379

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 3
ChainResidue
AASN247
AILE248
ALYS346
ALYS347
AVAL350
AHOH466
AHOH514
AHOH517
ALEU244

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 4
ChainResidue
AASN259
AGLU296
AVAL323
APRO328
AASN329
AHOH393
AHOH444

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 5
ChainResidue
ATRP246
ALYS249
AASP250
ALYS253
AHOH537

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues134
DetailsDomain: {"description":"PADR1 zinc-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU01351","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues42
DetailsRegion: {"description":"Zinc ribbon","evidences":[{"source":"PROSITE-ProRule","id":"PRU01351","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01351","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"18055453","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22582261","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2RIQ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4DQY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4OPX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4OQA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4OQB","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

243911

PDB entries from 2025-10-29

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