The Enzyme Database

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Accepted name: 2-epi-5-epi-valiolone epimerase
Reaction: 2-epi-5-epi-valiolone = 5-epi-valiolone
For diagram of valiolone biosynthesis, click here
Glossary: 2-epi-5-epi-valiolone= (2S,3S,4S,5R)-2,3,4,5-tetrahydroxy-5-(hydroxymethyl)cyclohexanone
5-epi-valiolone = (2R,3S,4S,5R)-2,3,4,5-tetrahydroxy-5-(hydroxymethyl)cyclohexanone
Other name(s): CetB; EVE
Systematic name: 2-epi-5-epi-valiolone 2-epimerase
Comments: The enzyme, characterized from the bacterium Actinomyces sp. Lu 9419, is involved in the biosynthesis of the antitumor agent cetoniacytone A.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Wu, X., Flatt, P.M., Xu, H. and Mahmud, T. Biosynthetic gene cluster of cetoniacytone A, an unusual aminocyclitol from the endosymbiotic Bacterium Actinomyces sp. Lu 9419. Chembiochem 10 (2009) 304–314. [PMID: 19101977]
[EC created 2015]

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