page_title: Xylose isomerase
hierarchical_section_title: Xylose isomerase
caption_attribution_description: English: D-Xylose isomerase pdb 2glk
context_page_description: In enzymology, a xylose isomerase is an enzyme that catalyzes the interconversion of
  D-xylose and D-xylulose. This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The isomerase has now been observed in nearly a hundred species of bacteria. Xylose-isomerases are also commonly called fructose-isomerases due to their ability to interconvert glucose and fructose. The systematic name of this enzyme class is D-xylose aldose-ketose-isomerase. Other names in common use include D-xylose isomerase, D-xylose ketoisomerase, and D-xylose ketol-isomerase.
context_section_description: In enzymology, a xylose isomerase (EC 5.3.1.5) is an enzyme that catalyzes the interconversion of
  D-xylose and D-xylulose. This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The isomerase has now been observed in nearly a hundred species of bacteria. Xylose-isomerases are also commonly called fructose-isomerases due to their ability to interconvert glucose and fructose. The systematic name of this enzyme class is D-xylose aldose-ketose-isomerase. Other names in common use include D-xylose isomerase, D-xylose ketoisomerase, and D-xylose ketol-isomerase.
caption: D-Xylose isomerase tetramer from Streptomyces rubiginosus PDB 2glk.[1] One monomer is coloured by secondary structure to highlight the TIM barrel architecture.
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