› 1w2l

X-ray diffraction
1.3Å resolution

Cytochrome c domain of caa3 oxygen oxidoreductase

Released:
DOI: 10.2210/pdb1w2l/pdb
PDB entry 1w2l coloured by chain, front view.
PDB entry 1w2l coloured by chain, side view.
PDB entry 1w2l coloured by chain, top view.
Source organism: Rhodothermus marinus
Primary publication:
Structure at 1.3 A resolution of Rhodothermus marinus caa(3) cytochrome c domain.
Srinivasan V, Rajendran C, Sousa FL, Melo AM, Saraiva LM, Pereira MM, Santana M, Teixeira M, Michel H
J. Mol. Biol. 345 1047-57 (2005)
PMID: 15644203

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:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-190249 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome c oxidase subunit 2 Chain: A
Molecule details ›
Chain: A
Length: 99 amino acids
Theoretical weight: 10.83 KDa
Source organism: Rhodothermus marinus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q9F3S9 (Residues: 220-316; Coverage: 31%)
Gene name: rcoxA
Sequence domains: Cytochrome c
Structure domains: Cytochrome c-like domain

Ligands and Environments

3 bound ligands:
Ligand HEC 1 x HEC
Ligand TRS 1 x TRS
Ligand ACT 1 x ACT
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P41212
Unit cell:
a: 54.049Å b: 54.049Å c: 91.347Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.142 not available 0.17
Expression system: Escherichia coli BL21

Quick links

Citations

1 review citation

ROS Defense Systems and Terminal Oxidases in Bacteria.
Borisov et al. (2021)
9 other articles

8 mentions without citation

Fast and anisotropic flexibility-rigidity index for protein flexibility and fluctuation analysis.
Opron et al. (2014)
7 more