3dtu

X-ray diffraction
2.15Å resolution

Catalytic core subunits (I and II) of cytochrome c oxidase from Rhodobacter sphaeroides complexed with deoxycholic acid

Released:
Source organism: Rhodobacter sphaeroides
Primary publication:
A conserved steroid binding site in cytochrome C oxidase.
Biochemistry 47 9931-3 (2008)
PMID: 18759498

Function and Biology Details

Structure analysis Details

Assembly composition:
Non-polymer only dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Cytochrome c oxidase subunit 1 Chains: A, C
Molecule details ›
Chains: A, C
Length: 566 amino acids
Theoretical weight: 63.2 KDa
Source organism: Rhodobacter sphaeroides
Expression system: Rhodobacter sphaeroides
UniProt:
  • Canonical: P33517 (Residues: 1-566; Coverage: 100%)
Gene name: ctaD
Sequence domains: Cytochrome C and Quinol oxidase polypeptide I
Structure domains: Cytochrome c oxidase-like, subunit I domain
Cytochrome c oxidase subunit 2 Chains: B, D
Molecule details ›
Chains: B, D
Length: 262 amino acids
Theoretical weight: 29.37 KDa
Source organism: Rhodobacter sphaeroides
Expression system: Rhodobacter sphaeroides
UniProt:
  • Canonical: Q03736 (Residues: 26-281; Coverage: 92%)
Gene names: coxII, ctaB, ctaC
Sequence domains:
Structure domains:

Ligands and Environments

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: P212121
Unit cell:
a: 123.243Å b: 132.052Å c: 167.966Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.184 0.184 0.212
Expression system: Rhodobacter sphaeroides