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Crystal structure of a GNAT superfamily acetyltransferase PA4794 in complex with Cefmetazole

X-ray diffraction
1.55Å resolution
PDB entry 4kos coloured by chain, front view.
PDB entry 4kos coloured by chain, side view.
PDB entry 4kos coloured by chain, top view.
Source organism: Pseudomonas aeruginosa PAO1
Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: N-acetyltransferase domain-containing protein
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Multimeric state: monomeric
Accessible surface area: 8541.29 Å2
Buried surface area: 2794.08 Å2
Dissociation area: 107.68 Å2
Dissociation energy (ΔGdiss): -2.53 kcal/mol
Dissociation entropy (TΔSdiss): -0.28 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-190989
Assembly 2
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Assembly Name: N-acetyltransferase domain-containing protein
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Multimeric state: homo dimer
Accessible surface area: 15617.6 Å2
Buried surface area: 7058.15 Å2
Dissociation area: 735.1 Å2
Dissociation energy (ΔGdiss): -1.29 kcal/mol
Dissociation entropy (TΔSdiss): 12.07 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-190990

Macromolecules

N-acetyltransferase domain-containing protein
Chain: A
Length: 162 amino acids
Theoretical weight: 18 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9HV14 (Residues: 1-160; Coverage: 100%)
Gene name: PA4794
Pfam: Acetyltransferase (GNAT) family
InterPro:
CATH: Aminopeptidase
N-acetyltransferase domain-containing protein in PDB entry 4kos, assembly 1, front view.
N-acetyltransferase domain-containing protein in PDB entry 4kos, assembly 1, side view.
N-acetyltransferase domain-containing protein in PDB entry 4kos, assembly 1, top view.
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