1z8n

X-ray diffraction
2.8Å resolution

Crystal structure of Arabidopsis thaliana Acetohydroxyacid synthase In Complex With An Imidazolinone Herbicide, Imazaquin

Released:
Source organism: Arabidopsis thaliana

Function and Biology Details

Structure analysis Details

Assemblies composition:
homo tetramer
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-148105 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Acetolactate synthase, chloroplastic Chain: A
Molecule details ›
Chain: A
Length: 590 amino acids
Theoretical weight: 64.59 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P17597 (Residues: 86-667; Coverage: 87%)
Gene names: AHAS, ALS, At3g48560, CSR1, T8P19.70, TZP5
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand FAD 1 x FAD

Cofactor: Ligand TPP 1 x TPP
3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-D
Spacegroup: P6422
Unit cell:
a: 179.081Å b: 179.081Å c: 186.077Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.2 0.199 0.216
Expression system: Escherichia coli BL21(DE3)