2cua

X-ray diffraction
1.6Å resolution

THE CUA DOMAIN OF CYTOCHROME BA3 FROM THERMUS THERMOPHILUS

Released:

Function and Biology Details

Reaction catalysed:
4 ferrocytochrome c + O(2) + 8 H(+)(Side 1) = 4 ferricytochrome c + 4 H(2)O(Side 2)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-161340 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome c oxidase subunit 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 135 amino acids
Theoretical weight: 14.82 KDa
Source organism: Thermus thermophilus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P98052 (Residues: 1-135; Coverage: 100%)
Gene names: cbaB, ctaC
Sequence domains: Cytochrome C oxidase subunit II, periplasmic domain
Structure domains: Cupredoxins - blue copper proteins

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL1-5
Spacegroup: P21
Unit cell:
a: 34.9Å b: 70.6Å c: 53.5Å
α: 90° β: 98.12° γ: 90°
R-values:
R R work R free
0.226 not available 0.296
Expression system: Escherichia coli BL21