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5.3.1.5: xylose isomerase

This is an abbreviated version!
For detailed information about xylose isomerase, go to the full flat file.

Word Map on EC 5.3.1.5

Reaction

alpha-D-xylopyranose
=
alpha-D-xylufuranose

Synonyms

D-XI, D-xylose aldose-ketose-isomerase, D-xylose isomerase, D-Xylose ketoisomerase, D-xylose ketol isomerase, D-xylose ketol-isomerase, D-xylose: ketol-isomerase, D-xylulose keto-isomerase, glucose isomerase, glucose/xylose isomerase, GXI, Isomerase, xylose, Maxazyme, Optisweet, SDXyI, Spezyme, Sweetase, Sweetzyme, Sweetzyme Q, Swetase, T80 xylose isomerase, TcaXI, TNXI, TthXI, XI, XYLA, XylC, xylose (glucose) isomerase, xylose isomerase

ECTree

     5 Isomerases
         5.3 Intramolecular oxidoreductases
             5.3.1 Interconverting aldoses and ketoses, and related compounds
                5.3.1.5 xylose isomerase

Systematic Name

Systematic Name on EC 5.3.1.5 - xylose isomerase

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SYSTEMATIC NAME
IUBMB Comments
alpha-D-xylopyranose aldose-ketose-isomerase
Contains two divalent metal ions, preferably magnesium, located at different metal-binding sites within the active site. The enzyme catalyses the interconversion of aldose and ketose sugars with broad substrate specificity. The enzyme binds the closed form of its sugar substrate (in the case of xylose and glucose, only the alpha anomer [4]) and catalyses ring opening to generate a form of open-chain conformation that is coordinated to one of the metal sites. Isomerization proceeds via a hydride-shift mechanism.