1k55

X-ray diffraction
1.39Å resolution

OXA 10 class D beta-lactamase at pH 7.5

Released:

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-146959 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Beta-lactamase OXA-10 Chains: A, B
Molecule details ›
Chains: A, B
Length: 246 amino acids
Theoretical weight: 27.57 KDa
Source organism: Pseudomonas aeruginosa
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P14489 (Residues: 21-266; Coverage: 100%)
Gene names: bla, oxa10, pse2
Sequence domains: Penicillin binding protein transpeptidase domain
Structure domains: DD-peptidase/beta-lactamase superfamily
Beta-lactamase OXA-10 Chains: C, D
Molecule details ›
Chains: C, D
Length: 246 amino acids
Theoretical weight: 27.52 KDa
Source organism: Pseudomonas aeruginosa
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P14489 (Residues: 21-266; Coverage: 100%)
Gene names: bla, oxa10, pse2
Sequence domains: Penicillin binding protein transpeptidase domain
Structure domains: DD-peptidase/beta-lactamase superfamily

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P21
Unit cell:
a: 66.514Å b: 82.285Å c: 101.713Å
α: 90° β: 95.44° γ: 90°
R-values:
R R work R free
0.153 0.153 0.181
Expression system: Escherichia coli BL21(DE3)