PDBe 4duo

X-ray diffraction
2Å resolution

Room-temperature X-ray structure of D-Xylose Isomerase in complex with 2Mg2+ ions and xylitol at pH 7.7

Released:

Function and Biology Details

Reaction catalysed:
D-xylopyranose = D-xylulose
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Xylose isomerase Chain: A
Molecule details ›
Chain: A
Length: 388 amino acids
Theoretical weight: 43.28 KDa
Source organism: Streptomyces rubiginosus
UniProt:
  • Canonical: P24300 (Residues: 1-388; Coverage: 100%)
Gene name: xylA
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: RIGAKU FR-E DW
Spacegroup: I222
Unit cell:
a: 93.79Å b: 99.62Å c: 102.83Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.148 0.141 0.2