5bwo

X-ray diffraction
2.38Å resolution

Crystal Structure of Human SIRT3 in Complex with a Palmitoyl H3K9 Peptide

Released:

Function and Biology Details

Reaction catalysed:
(1a) [protein]-N(6)-acetyl-L-lysine + NAD(+) = [protein]-N(6)-(1,1-(5-adenosylyl-alpha-D-ribose-1,2-di-O-yl)ethyl)-L-lysine + nicotinamide
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-180079 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Histone H3.3C Chain: B
Molecule details ›
Chain: B
Length: 10 amino acids
Theoretical weight: 1.09 KDa
Source organism: synthetic construct
Expression system: Not provided
UniProt:
  • Canonical: Q6NXT2 (Residues: 6-14; Coverage: 7%)
Gene names: H3-5, H3F3C
NAD-dependent protein deacetylase sirtuin-3, mitochondrial Chain: A
Molecule details ›
Chain: A
Length: 309 amino acids
Theoretical weight: 34.4 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9NTG7 (Residues: 118-399; Coverage: 71%)
Gene names: SIR2L3, SIRT3
Sequence domains: Sir2 family
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P212121
Unit cell:
a: 43.445Å b: 54.636Å c: 113.203Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.244 0.239 0.287
Expression systems:
  • Not provided
  • Escherichia coli