4dmo

X-ray diffraction
2.14Å resolution

Crystal structure of the (BACCR)NAT3 arylamine N-acetyltransferase from Bacillus cereus reveals a unique Cys-His-Glu catalytic triad

Released:

Function and Biology Details

Reaction catalysed:
Acetyl-CoA + an N-hydroxyarylamine = CoA + an N-acetoxyarylamine
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-182473 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
N-hydroxyarylamine O-acetyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 265 amino acids
Theoretical weight: 30.1 KDa
Source organism: Bacillus cereus ATCC 14579
Expression system: Escherichia coli
UniProt:
  • Canonical: Q81AS3 (Residues: 1-263; Coverage: 100%)
Gene name: BC_3483
Sequence domains: N-acetyltransferase
Structure domains: Arylamine N-acetyltransferase fold

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: C2
Unit cell:
a: 90.43Å b: 44.52Å c: 132.97Å
α: 90° β: 103.8° γ: 90°
R-values:
R R work R free
0.205 0.202 0.255
Expression system: Escherichia coli