X-ray diffraction
1.97Å resolution

Crystal structure of IlvN. Val-1c


Function and Biology Details

Reaction catalysed:
2 pyruvate = 2-acetolactate + CO(2)

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Acetolactate synthase isozyme 1 small subunit Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 98 amino acids
Theoretical weight: 11.26 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P0ADF8 (Residues: 1-96; Coverage: 100%)
Gene names: JW3645, b3670, ilvN
Sequence domains: ACT domain
Structure domains: Alpha-Beta Plaits

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: C2
Unit cell:
a: 110.519Å b: 74.51Å c: 63.27Å
α: 90° β: 97.58° γ: 90°
R R work R free
0.2 0.198 0.242
Expression system: Escherichia coli BL21(DE3)