› 5qa7

X-ray diffraction
1.82Å resolution

Function and Biology Details

Reaction catalysed: 
A beta-lactam + H(2)O = a substituted beta-amino acid
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-180524 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-lactamase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 243 amino acids
Theoretical weight: 28.23 KDa
Source organism: Klebsiella pneumoniae
Expression system: Escherichia coli
UniProt:
  • Canonical: Q6XEC0 (Residues: 23-265; Coverage: 100%)
Gene names: BANRA_05332, BV369_20085, GJJ01_28680, KPE71T_00045, SAMEA3729652_05148, bla OXA-48, blaOXA-48, bla_4
Sequence domains: Penicillin binding protein transpeptidase domain
Structure domains: DD-peptidase/beta-lactamase superfamily

Ligands and Environments

3 bound ligands:
Ligand IQQ 4 x IQQ
Ligand EDO 9 x EDO
Ligand CL 2 x CL
1 modified residue:
Ligand KCX 4 x KCX

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P212121
Unit cell:
a: 88.856Å b: 108.51Å c: 124.852Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.158 0.158 0.186
Expression system: Escherichia coli

Quick links

Citations

3 review citations

Treatment of Infections by OXA-48-Producing Enterobacteriaceae.
Stewart et al. (2018)
2 more