2qds

X-ray diffraction
1.66Å resolution

Crystal Structure of the Zinc Carbapenemase CPHA in Complex with the Inhibitor D-Captopril

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-150877 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Metallo-beta-lactamase type 2 Chain: A
Molecule details ›
Chain: A
Length: 227 amino acids
Theoretical weight: 25.22 KDa
Source organism: Aeromonas hydrophila
Expression system: Escherichia coli
UniProt:
  • Canonical: P26918 (Residues: 28-254; Coverage: 100%)
Gene name: cphA
Sequence domains: Metallo-beta-lactamase superfamily
Structure domains: Ribonuclease Z/Hydroxyacylglutathione hydrolase-like

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM30A
Spacegroup: C2221
Unit cell:
a: 43.001Å b: 100.99Å c: 116.819Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.15 0.148 0.17
Expression system: Escherichia coli