X-ray diffraction
2.5Å resolution

Crystal Structure Analysis of the Sir4p C-terminal Coiled Coil


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Regulatory protein SIR4 Chains: A, S
Molecule details ›
Chains: A, S
Length: 142 amino acids
Theoretical weight: 15.96 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
  • Canonical: P11978 (Residues: 1217-1358; Coverage: 11%)
Gene names: ASD1, SIR4, STE9, UTH2, YD9934.12, YDR227W
Structure domains: Single helix bin

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-C
Spacegroup: P65
Unit cell:
a: 108.884Å b: 108.884Å c: 75.342Å
α: 90° β: 90° γ: 120°
R R work R free
0.261 0.261 0.288
Expression system: Escherichia coli