X-ray diffraction
2.25Å resolution

Crystal structure of the V130D mutant of OXA-24/40 in complex with doripenem


Function and Biology Details

Reaction catalysed:
A beta-lactam + H(2)O = a substituted beta-amino acid
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Transpeptidase domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 245 amino acids
Theoretical weight: 27.69 KDa
Source organism: Acinetobacter baumannii
Expression system: Escherichia coli
  • Canonical: Q8RLA6 (Residues: 31-275; Coverage: 97%)
Gene names: bla-OXA-40, blaOXA-24, blaOXA-33, blaOXA-40, oxa-24, oxa40
Sequence domains: Penicillin binding protein transpeptidase domain
Structure domains: DD-peptidase/beta-lactamase superfamily

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-D
Spacegroup: P41
Unit cell:
a: 102.274Å b: 102.274Å c: 85.449Å
α: 90° β: 90° γ: 90°
R R work R free
0.191 0.189 0.233
Expression system: Escherichia coli