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4IF6

Structure of NAD-dependent protein deacetylase sirtuin-1 (closed state, 2.25 A)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
NAD-dependent protein deacetylase sirtuin-1polymer28131833.11UniProt (Q96EB6)
Pfam (PF02146)
Homo sapiens (human)hSIRT1, Regulatory protein SIR2 homolog 1, SIR2-like protein 1, hSIR2, SirtT1 75 kDa fragment, 75SirT1
2B
(B)
NAD-dependent protein deacetylase sirtuin-1polymer313544.81UniProt (Q96EB6)Homo sapiens (human)
3C
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
4D
(A)
ADENOSINE-5-DIPHOSPHORIBOSEnon-polymer559.31Chemie (APR)
5E, F
(A, B)
waterwater18.0209Chemie (HOH)
Sequence modifications
A: 234 - 510 (UniProt: Q96EB6)
PDBExternal DatabaseDetails
Gly -4-expression tag
Pro -3-expression tag
His -2-expression tag
Met -1-expression tag
B: 641 - 665 (UniProt: Q96EB6)
PDBExternal DatabaseDetails
Gly -6-expression tag
Pro -5-expression tag
His -4-expression tag
Met -3-expression tag
Gly -2-expression tag
Ser -1-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight35377.9
Non-Polymers*Number of molecules2
Total formula weight624.7
All*Total formula weight36002.7
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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