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7ONS

PARP1 catalytic domain in complex with isoquinolone-based inhibitor (compound 16)

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 Residues15
Detailsbinding site for residue VKT A 1101
ChainResidue
AASP766
ATYR896
APHE897
ASER904
ATYR907
AHOH1230
AHOH1280
AASN767
ALEU769
AASP770
AHIS862
AGLY863
AASN868
AILE879
AALA880

site_idAC2
Number of Residues7
Detailsbinding site for residue SO4 A 1102
ChainResidue
ALYS903
ALEU984
ALEU985
ATYR986
AHOH1211
AHOH1216
AHOH1391

site_idAC3
Number of Residues6
Detailsbinding site for residue SO4 A 1103
ChainResidue
AGLU840
AGLY843
AGLU844
ACYS845
AGLN846
AHOH1254

site_idAC4
Number of Residues4
Detailsbinding site for residue SO4 A 1104
ChainResidue
AARG858
AMET929
ALYS949
AHOH1304

site_idAC5
Number of Residues14
Detailsbinding site for residue VKT B 1101
ChainResidue
BASP766
BASN767
BASP770
BHIS862
BGLY863
BASN868
BARG878
BILE879
BALA880
BTYR896
BPHE897
BSER904
BTYR907
BHOH1227

site_idAC6
Number of Residues5
Detailsbinding site for residue SO4 B 1102
ChainResidue
BLYS903
BLEU984
BLEU985
BTYR986
BHOH1292

site_idAC7
Number of Residues4
Detailsbinding site for residue SO4 B 1103
ChainResidue
BARG858
BMET929
BLYS949
BHOH1286

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues234
DetailsDomain: {"description":"PARP alpha-helical","evidences":[{"source":"PROSITE-ProRule","id":"PRU00398","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
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_FI3
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q9UGN5","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
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_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"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

239492

PDB entries from 2025-07-30

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