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Structure of the OXA-1 class D beta-lactamase

X-ray diffraction
1.5Å resolution
PDB entry 1m6k coloured by chain, front view.
PDB entry 1m6k coloured by chain, side view.
PDB entry 1m6k coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Beta-lactamase OXA-1
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Multimeric state: homo dimer
Accessible surface area: 21740.51 Å2
Buried surface area: 3049.56 Å2
Dissociation area: 287.9 Å2
Dissociation energy (ΔGdiss): -7.88 kcal/mol
Dissociation entropy (TΔSdiss): 12.28 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-146686

Macromolecules

Beta-lactamase OXA-1
Chains: A, B
Length: 251 amino acids
Theoretical weight: 28.2 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P13661 (Residues: 26-276; Coverage: 100%)
Gene names: bla, oxa1
Pfam: Penicillin binding protein transpeptidase domain
InterPro:
CATH: DD-peptidase/beta-lactamase superfamily
SCOP: beta-Lactamase/D-ala carboxypeptidase
Beta-lactamase OXA-1 in PDB entry 1m6k, assembly 1, front view.
Beta-lactamase OXA-1 in PDB entry 1m6k, assembly 1, side view.
Beta-lactamase OXA-1 in PDB entry 1m6k, assembly 1, top view.
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