3jqy

X-ray diffraction
1.7Å resolution

Crystal Structure of the polySia specific acetyltransferase NeuO

Released:

Function and Biology Details

Reaction catalysed:
Acetyl-CoA + an alpha-2,8-linked polymer of sialic acid = CoA + polysialic acid acetylated at O-7 or O-9
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo trimer (preferred)
PDBe Complex ID:
PDB-CPX-106552 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Polysialic acid O-acetyltransferase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 252 amino acids
Theoretical weight: 28.17 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: A1ADJ6 (Residues: 66-307; Coverage: 79%)
Gene names: APECO1_4217, neuO
Structure domains: Hexapeptide repeat proteins

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: P21
Unit cell:
a: 62.833Å b: 88.366Å c: 72.996Å
α: 90° β: 106.62° γ: 90°
R-values:
R R work R free
0.167 0.166 0.195
Expression system: Escherichia coli K-12