PDBe 1q6l

X-ray diffraction
1.8Å resolution

Structure of 3-keto-L-gulonate 6-phosphate decarboxylase with bound L-threonohydroxamate 4-phosphate


Function and Biology Details

Reaction catalysed:
3-dehydro-L-gulonate 6-phosphate = L-xylulose 5-phosphate + CO(2). 
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Entry contents:
1 distinct polypeptide molecule
3-keto-L-gulonate-6-phosphate decarboxylase UlaD Chains: A, B
Molecule details ›
Chains: A, B
Length: 216 amino acids
Theoretical weight: 23.6 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: P39304 (Residues: 1-216; Coverage: 100%)
Gene names: JW4154, b4196, sgaH, ulaD, yjfV
Sequence domains: Orotidine 5'-phosphate decarboxylase / HUMPS family
Structure domains: Aldolase class I

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: C2
Unit cell:
a: 122.963Å b: 41.931Å c: 91.457Å
α: 90° β: 96.91° γ: 90°
R R work R free
0.191 0.172 0.218
Expression system: Escherichia coli