› 4rek

X-ray diffraction
0.74Å resolution

Crystal structure and charge density studies of cholesterol oxidase from Brevibacterium sterolicum at 0.74 ultra-high resolution

Released:
DOI: 10.2210/pdb4rek/pdb
PDB 4rek coloured by chain and viewed from the front.
PDB 4rek coloured by chain and viewed from the side.
PDB 4rek coloured by chain and viewed from the top.
Source organism: Streptomyces sp. SA-COO
Primary publication:
Cholesterol oxidase: ultrahigh-resolution crystal structure and multipolar atom model-based analysis.
Zarychta B, Lyubimov A, Ahmed M, Munshi P, Guillot B, Vrielink A, Jelsch C
Acta Crystallogr. D Biol. Crystallogr. 71 954-68 (2015)
PMID: 25849405

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 analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cholesterol oxidase Chain: A
Molecule details ›
Chain: A
Length: 499 amino acids
Theoretical weight: 54.53 KDa
Source organism: Streptomyces sp. SA-COO
Expression system: Escherichia coli
UniProt:
  • Canonical: P12676 (Residues: 46-544; Coverage: 99%)
Gene name: choA
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand FAD 1 x FAD
1 bound ligand:
Ligand PO4 1 x PO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: P21
Unit cell:
a: 51.24Å b: 72.92Å c: 63.01Å
α: 90° β: 105.13° γ: 90°
R-values:
R R work R free
0.113 0.113 0.123
Expression system: Escherichia coli

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Citations

1 review citation

Neutron protein crystallography: A complementary tool for locating hydrogens in proteins.
O'Dell et al. (2016)
5 other articles

3 mentions without citation

How anisotropic and isotropic atomic displacement parameters monitor protein covalent bonds rigidity: isotropic B-factors underestimate bond rigidity.
Carugo O. (2021)
2 more