› 2b5r

X-ray diffraction
1.65Å resolution

1B Lactamase / B Lactamase Inhibitor

Released:
DOI: 10.2210/pdb2b5r/pdb
PDB entry 2b5r coloured by chain, front view.
PDB entry 2b5r coloured by chain, side view.
PDB entry 2b5r coloured by chain, top view.
Source organisms:
Primary publication:
Binding hot spots in the TEM1-BLIP interface in light of its modular architecture.
Reichmann D, Cohen M, Abramovich R, Dym O, Lim D, Strynadka NC, Schreiber G
J Mol Biol 365 663-79 (2007)
PMID: 17070843

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 domains:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-153025 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Beta-lactamase TEM Chains: A, B
Molecule details ›
Chains: A, B
Length: 263 amino acids
Theoretical weight: 28.94 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P62593 (Residues: 24-286; Coverage: 100%)
Gene names: bla, blaT-3, blaT-4, blaT-5, blaT-6
Sequence domains:
Structure domains: DD-peptidase/beta-lactamase superfamily
Beta-lactamase inhibitory protein Chains: C, D
Molecule details ›
Chains: C, D
Length: 165 amino acids
Theoretical weight: 17.56 KDa
Source organism: Streptomyces clavuligerus
Expression system: Escherichia coli
UniProt:
  • Canonical: P35804 (Residues: 37-201; Coverage: 100%)
Sequence domains: Beta-lactamase inhibitor (BLIP)
Structure domains: Beta-lactamase Inhibitory Protein; Chain:B, domain 1

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P212121
Unit cell:
a: 45.799Å b: 124.473Å c: 157.256Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.19 0.19 0.222
Expression system: Escherichia coli

Quick links

Citations

6 review citations

Fundamental aspects of protein-protein association kinetics.
Schreiber et al. (2009)
5 more

4 mentions without citation

Tackling the Antibiotic Resistance Caused by Class A β-Lactamases through the Use of β-Lactamase Inhibitory Protein.
Eiamphungporn et al. (2018)
3 more