The Enzyme Database

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Accepted name: L-idonate 5-dehydrogenase (NAD+)
Reaction: L-idonate + NAD+ = 5-dehydro-D-gluconate + NADH + H+
Systematic name: L-idonate:NAD+ oxidoreductase
Comments: Involved in the catabolism of ascorbate (vitamin C) to tartrate. No activity is observed with NADP+ (cf. EC, L-idonate 5-dehydrogenase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  DeBolt, S., Cook, D.R. and Ford, C.M. L-Tartaric acid synthesis from vitamin C in higher plants. Proc. Natl. Acad. Sci. USA 103 (2006) 5608–5613. [DOI] [PMID: 16567629]
[EC created 2013]

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