X-ray diffraction
2.33Å resolution

Crystal Structure of L-xylulose-5-phosphate 3-epimerase UlaE (form B) complex with Zn2+ and sulfate


Function and Biology Details

Reaction catalysed:
L-ribulose 5-phosphate = L-xylulose 5-phosphate
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
L-ribulose-5-phosphate 3-epimerase UlaE Chains: A, B
Molecule details ›
Chains: A, B
Length: 295 amino acids
Theoretical weight: 33.29 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: Q8XDI5 (Residues: 2-284; Coverage: 100%)
Gene names: ECs5173, Z5806, ulaE
Sequence domains: Xylose isomerase-like TIM barrel
Structure domains: Divalent-metal-dependent TIM barrel enzymes

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 31-ID
Spacegroup: C2221
Unit cell:
a: 105.028Å b: 132.55Å c: 82.079Å
α: 90° β: 90° γ: 90°
R R work R free
0.188 0.187 0.211
Expression system: Escherichia coli