IUBMB Enzyme Nomenclature


Accepted name: 5-deoxy-glucuronate isomerase

Reaction: 5-deoxy-D-glucuronate = 5-dehydro-2-deoxy-D-gluconate

For diagram of reaction click here.

Glossary: 5-dehydro-2-deoxy-D-gluconate = 2-deoxy-D-threo-hex-5-ulosonic acid
5-deoxy-D-glucuronate = 5-deoxy-D-xylo-hexuronic acid

Other name(s): 5DG isomerase; IolB

Systematic name: 5-deoxy-D-glucuronate aldose-ketose-isomerase

Comments: The enzyme, found in the bacterium Bacillus subtilis, is part of a myo-inositol degradation pathway leading to acetyl-CoA.

Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number:


1. Yoshida, K., Yamaguchi, M., Morinaga, T., Kinehara, M., Ikeuchi, M., Ashida, H. and Fujita, Y. myo-Inositol catabolism in Bacillus subtilis. J. Biol. Chem. 283 (2008) 10415-10424. [PMID: 18310071]

[EC created 2014]

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