PDBe 1ssm

X-ray diffraction
2.15Å resolution

Serine Acetyltransferase- Apoenzyme (truncated)


Function and Biology Details

Reaction catalysed:
Acetyl-CoA + L-serine = CoA + O-acetyl-L-serine
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Serine acetyltransferase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 242 amino acids
Theoretical weight: 26.65 KDa
Source organism: Haemophilus influenzae
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P43886 (Residues: 1-242; Coverage: 91%)
Gene names: HI_0606, cysE
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X9A
Spacegroup: P21212
Unit cell:
a: 107.1Å b: 126.6Å c: 107.3Å
α: 90° β: 90° γ: 90°
R R work R free
0.23 0.227 0.278
Expression system: Escherichia coli BL21(DE3)