PDBe 1bxc

X-ray diffraction
2.3Å resolution

XYLOSE ISOMERASE FROM THERMUS CALDOPHILUS

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 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 387 amino acids
Theoretical weight: 43.98 KDa
Source organism: Thermus caldophilus
Expression system: Escherichia coli
UniProt:
  • Canonical: P56681 (Residues: 1-387; Coverage: 100%)
Gene name: xylA
Sequence domains: Xylose isomerase-like TIM barrel
Structure domains: Divalent-metal-dependent TIM barrel enzymes

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-6A
Spacegroup: P212121
Unit cell:
a: 84.35Å b: 123.6Å c: 140.24Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.178 0.178 0.264
Expression system: Escherichia coli