1ghi

X-ray diffraction
2.3Å resolution

STRUCTURE OF BETA-LACTAMASE GLU166ASP:ASN170GLN MUTANT

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-lactamase Chain: A
Molecule details ›
Chain: A
Length: 258 amino acids
Theoretical weight: 28.97 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
UniProt:
  • Canonical: P00807 (Residues: 25-281; Coverage: 100%)
Gene name: blaZ
Sequence domains: Beta-lactamase enzyme family
Structure domains: DD-peptidase/beta-lactamase superfamily

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SIEMENS
Spacegroup: I222
Unit cell:
a: 54Å b: 93.8Å c: 139.3Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.153 0.153 0.263
Expression system: Escherichia coli