2bfl

X-ray diffraction
1.8Å resolution

Bacillus cereus metallo-beta-lactamase (BcII) Arg (121) Cys mutant. Solved at pH5 using 20mM ZnSO4 in buffer. 1mM DTT was used as a reducing agent.

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
Molecule details ›
Chains: A, B
Length: 227 amino acids
Theoretical weight: 24.94 KDa
Source organism: Bacillus cereus
Expression system: Escherichia coli
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: ESRF BEAMLINE ID14-1
Spacegroup: P3121
Unit cell:
a: 67.535Å b: 67.535Å c: 178.712Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.183 0.183 0.202
Expression system: Escherichia coli