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REFINED CRYSTAL STRUCTURE OF TYPE III CHLORAMPHENICOL ACETYLTRANSFERASE AT 1.75 ANGSTROMS RESOLUTION

X-ray diffraction
1.75Å resolution
PDB entry 3cla coloured by chain, front view.
PDB entry 3cla coloured by chain, side view.
PDB entry 3cla coloured by chain, top view.
Source organism: Escherichia coli
Assemblies composition:
homo trimer (preferred)
homo hexamer
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Chloramphenicol acetyltransferase 3
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Multimeric state: homo trimer
Accessible surface area: 25161.37 Å2
Buried surface area: 9447.16 Å2
Dissociation area: 3,625.09 Å2
Dissociation energy (ΔGdiss): 45.74 kcal/mol
Dissociation entropy (TΔSdiss): 26.72 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-132547
Assembly 2
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Assembly Name: Chloramphenicol acetyltransferase 3
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Multimeric state: homo hexamer
Accessible surface area: 48603.35 Å2
Buried surface area: 20239.64 Å2
Dissociation area: 1,018.07 Å2
Dissociation energy (ΔGdiss): 30.08 kcal/mol
Dissociation entropy (TΔSdiss): 14.66 kcal/mol
Symmetry number: 6
PDBe Complex ID: PDB-CPX-132548

Macromolecules

Chloramphenicol acetyltransferase 3
Chain: A
Length: 213 amino acids
Theoretical weight: 25.02 KDa
Source organism: Escherichia coli
Expression system: Not provided
UniProt:
  • Canonical: P00484 (Residues: 1-213; Coverage: 100%)
Gene name: cat3
Pfam: Chloramphenicol acetyltransferase
InterPro:
CATH: Chloramphenicol acetyltransferase-like domain
SCOP: CAT-like
Chloramphenicol acetyltransferase 3 in PDB entry 3cla, assembly 1, front view.
Chloramphenicol acetyltransferase 3 in PDB entry 3cla, assembly 1, side view.
Chloramphenicol acetyltransferase 3 in PDB entry 3cla, assembly 1, top view.
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