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Toho-1 beta-Lactamase In Complex With Benzylpenicillin

X-ray diffraction
2.1Å resolution
PDB entry 1iyq coloured by chain, front view.
PDB entry 1iyq coloured by chain, side view.
PDB entry 1iyq coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Beta-lactamase Toho-1
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Multimeric state: monomeric
Accessible surface area: 11092.29 Å2
Buried surface area: 992.15 Å2
Dissociation area: 58.03 Å2
Dissociation energy (ΔGdiss): 7.86 kcal/mol
Dissociation entropy (TΔSdiss): 0.6 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-175211

Macromolecules

Beta-lactamase Toho-1
Chain: A
Length: 262 amino acids
Theoretical weight: 28.2 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: Q47066 (Residues: 30-291; Coverage: 100%)
Gene name: bla
Pfam:
InterPro:
CATH: DD-peptidase/beta-lactamase superfamily
SCOP: beta-Lactamase/D-ala carboxypeptidase
Beta-lactamase Toho-1 in PDB entry 1iyq, assembly 1, front view.
Beta-lactamase Toho-1 in PDB entry 1iyq, assembly 1, side view.
Beta-lactamase Toho-1 in PDB entry 1iyq, assembly 1, top view.
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