PDBe 4e3v

X-ray diffraction
1.5Å resolution

Crystal Structure of XYLOSE ISOMERASE FROM STREPTOMYCES RUBIGINOSUS Cryoprotected in Proline

Source organism: Streptomyces rubiginosus
Primary publication:
Proline: Mother Nature's cryoprotectant applied to protein crystallography.
Acta Crystallogr. D Biol. Crystallogr. 68 1010-8 (2012)
PMID: 22868767

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
Xylose isomerase Chain: A
Molecule details ›
Chain: A
Length: 388 amino acids
Theoretical weight: 43.28 KDa
Source organism: Streptomyces rubiginosus
  • 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

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH3R
Spacegroup: I222
Unit cell:
a: 92.493Å b: 98.022Å c: 102.425Å
α: 90° β: 90° γ: 90°
R R work R free
0.165 0.164 0.179