3kns

X-ray diffraction
1.58Å resolution

Bacillus cereus metallo-beta-lactamase Cys221Asp mutant, 20 mM Zn(II)

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-137499 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Metallo-beta-lactamase type 2 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 227 amino acids
Theoretical weight: 25.01 KDa
Source organism: Bacillus cereus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P04190 (Residues: 31-257; Coverage: 100%)
Gene name: blm
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: LNLS BEAMLINE D03B-MX1
Spacegroup: P21
Unit cell:
a: 79.784Å b: 94.341Å c: 79.776Å
α: 90° β: 119.62° γ: 90°
R-values:
R R work R free
0.163 0.161 0.194
Expression system: Escherichia coli BL21(DE3)