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4R6E

Human artd1 (parp1) - catalytic domain in complex with inhibitor niraparib

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Poly [ADP-ribose] polymerase 1polymer35840199.94UniProt (P09874)
Pfam (PF02877)
Pfam (PF00644)
Homo sapiens (human)PARP-1, ADP-ribosyltransferase diphtheria toxin-like 1, ARTD1, NAD(+) ADP-ribosyltransferase 1, ADPRT 1, Poly[ADP-ribose] synthase 1
2E, H, K, N
(A, B, C, D)
2-{4-[(3S)-piperidin-3-yl]phenyl}-2H-indazole-7-carboxamidenon-polymer320.44Chemie (3JD)
3F, I, L, O
(A, B, C, D)
SULFATE IONnon-polymer96.14Chemie (SO4)
4G, J, M
(A, B, C)
GLYCEROLnon-polymer92.13Chemie (GOL)
5P, Q, R, S
(A, B, C, D)
waterwater18.0154Chemie (HOH)
Sequence modifications
A, B, C, D: 662 - 1011 (UniProt: P09874)
PDBExternal DatabaseDetails
Met 661-initiating methionine
Ala 762Val 762variant
Ala 1012-expression tag
His 1013-expression tag
His 1014-expression tag
His 1015-expression tag
His 1016-expression tag
His 1017-expression tag
His 1018-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight160799.8
Non-Polymers*Number of molecules11
Total formula weight1942.1
All*Total formula weight162741.9
*Water molecules are not included.

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PDB entries from 2025-06-18

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