1jtd

X-ray diffraction
2.3Å resolution

Crystal structure of beta-lactamase inhibitor protein-II in complex with TEM-1 beta-lactamase

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-131517 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Beta-lactamase TEM Chain: A
Molecule details ›
Chain: A
Length: 263 amino acids
Theoretical weight: 28.97 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 II Chain: B
Molecule details ›
Chain: B
Length: 273 amino acids
Theoretical weight: 27.36 KDa
Source organism: Streptomyces exfoliatus
UniProt:
  • Canonical: O87916 (Residues: 39-311; Coverage: 98%)
Gene name: bliB
Sequence domains: Regulator of chromosome condensation (RCC1) repeat
Structure domains: Regulator of chromosome condensation 1/beta-lactamase-inhibitor protein II

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P212121
Unit cell:
a: 47.525Å b: 84.918Å c: 147.694Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.181 0.178 0.23
Expression system: Escherichia coli