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6QCN

Human Sirt2 in complex with ADP-ribose and the inhibitor quercetin

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
NAD-dependent protein deacetylase sirtuin-2polymer30434488.92UniProt (Q8IXJ6)
Pfam (PF02146)
Homo sapiens (Human)Regulatory protein SIR2 homolog 2,SIR2-like protein 2
2C, F
(A, B)
ZINC IONnon-polymer65.42Chemie (ZN)
3D, G
(A, B)
[(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL [HYDROXY-[[(2R,3S,4R,5S)-3,4,5-TRIHYDROXYOXOLAN-2-YL]METHOXY]PHOSPHORYL] HYDROGEN PHOSPHATEnon-polymer559.32Chemie (AR6)
4E
(A)
3,5,7,3',4'-PENTAHYDROXYFLAVONEnon-polymer302.21Chemie (QUE)
5H, I
(A, B)
waterwater18.028Chemie (HOH)
Sequence modifications
A, B: 55 - 356 (UniProt: Q8IXJ6)
PDBExternal DatabaseDetails
His 53-expression tag
Met 54-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight68977.7
Non-Polymers*Number of molecules5
Total formula weight1551.7
All*Total formula weight70529.4
*Water molecules are not included.

247947

PDB entries from 2026-01-21

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