X-ray diffraction
0.95Å resolution

Atomic resolution structure of Cholesterol oxidase (Streptomyces sp. SA-COO)


Function and Biology Details

Reactions catalysed:
Cholesterol + O(2) = cholest-5-en-3-one + H(2)O(2)
A 3-oxo-Delta(5)-steroid = a 3-oxo-Delta(4)-steroid
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Cholesterol oxidase Chain: A
Molecule details ›
Chain: A
Length: 504 amino acids
Theoretical weight: 54.97 KDa
Source organism: Streptomyces sp.
Expression system: Escherichia coli
  • Canonical: P12676 (Residues: 43-546; Coverage: 100%)
Gene name: choA
Sequence domains:
Structure domains:

Ligands and Environments

Cofactor: Ligand FAE 1 x FAE
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X8C
Spacegroup: P21
Unit cell:
a: 51.227Å b: 72.902Å c: 62.947Å
α: 90° β: 105.1° γ: 90°
R R work R free
0.11 0.11 0.132
Expression system: Escherichia coli