› 1cyx

X-ray diffraction
2.3Å resolution

QUINOL OXIDASE (PERIPLASMIC FRAGMENT OF SUBUNIT II WITH ENGINEERED CU-A BINDING SITE)(CYOA)

Released:
DOI: 10.2210/pdb1cyx/pdb
PDB entry 1cyx coloured by chain, front view.
PDB entry 1cyx coloured by chain, side view.
PDB entry 1cyx coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Crystal structure of the membrane-exposed domain from a respiratory quinol oxidase complex with an engineered dinuclear copper center.
Wilmanns M, Lappalainen P, Kelly M, Sauer-Eriksson E, Saraste M
Proc Natl Acad Sci U S A 92 11955-9 (1995)
PMID: 8618822

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142174 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome bo(3) ubiquinol oxidase subunit 2 Chain: A
Molecule details ›
Chain: A
Length: 205 amino acids
Theoretical weight: 22.74 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ABJ1 (Residues: 111-315; Coverage: 70%)
Gene names: JW0422, b0432, cyoA
Sequence domains:
Structure domains: Cupredoxins - blue copper proteins

Ligands and Environments

1 bound ligand:
Ligand CUA 1 x CUA
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 46Å b: 98.2Å c: 39.9Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.196 0.316
Expression system: Escherichia coli

Quick links

Citations

17 review citations

Cell biology and molecular basis of denitrification.
Zumft WG. (1997)
16 more

4 mentions without citation

Structure and mechanism of the aberrant ba(3)-cytochrome c oxidase from thermus thermophilus.
Soulimane et al. (2000)
3 more