› 1b4v

X-ray diffraction
1.5Å resolution

CHOLESTEROL OXIDASE FROM STREPTOMYCES

Released:
DOI: 10.2210/pdb1b4v/pdb
PDB entry 1b4v coloured by chain, front view.
PDB entry 1b4v coloured by chain, side view.
PDB entry 1b4v coloured by chain, top view.
Source organism: Streptomyces sp.
Primary publication:
Crystal structure determination of cholesterol oxidase from Streptomyces and structural characterization of key active site mutants.
Yue QK, Kass IJ, Sampson NS, Vrielink A
Biochemistry 38 4277-86 (1999)
PMID: 10194345

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:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-146297 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cholesterol oxidase Chain: A
Molecule details ›
Chain: A
Length: 504 amino acids
Theoretical weight: 54.97 KDa
Source organism: Streptomyces sp.
UniProt:
  • Canonical: P12676 (Residues: 43-546; Coverage: 100%)
Gene name: choA
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand FAD 1 x FAD
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU300
Spacegroup: P21
Unit cell:
a: 51.304Å b: 72.964Å c: 63.022Å
α: 90° β: 105.09° γ: 90°
R-values:
R R work R free
0.181 0.181 0.2

Quick links

Citations

12 review citations

Sequence-structure analysis of FAD-containing proteins.
Dym et al. (2001)
11 more

9 mentions without citation

A quantum chemical approach to biological reaction with a theory of solutions.
Takahashi H. (2009)
8 more