1juh

X-ray diffraction
1.6Å resolution

Crystal Structure of Quercetin 2,3-dioxygenase

Released:

Function and Biology Details

Reaction catalysed:
Quercetin + O(2) = 2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoate + CO + H(+)
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-181949 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (5 distinct):
Quercetin 2,3-dioxygenase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 350 amino acids
Theoretical weight: 37.96 KDa
Source organism: Aspergillus japonicus
UniProt:
  • Canonical: Q7SIC2 (Residues: 1-350; Coverage: 100%)
Structure domains: Jelly Rolls

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer : NEW Components: NAG
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE BW7B
Spacegroup: P21
Unit cell:
a: 108.55Å b: 55.78Å c: 123.68Å
α: 90° β: 98.31° γ: 90°
R-values:
R R work R free
0.162 0.162 0.189