The Enzyme Database

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Accepted name: (R)-pantolactone dehydrogenase (flavin)
Reaction: (R)-pantolactone + acceptor = 2-dehydropantolactone + reduced acceptor
Other name(s): 2-dehydropantolactone reductase (flavin); 2-dehydropantoyl-lactone reductase (flavin); (R)-pantoyllactone dehydrogenase (flavin)
Systematic name: (R)-pantolactone:acceptor oxidoreductase (flavin-containing)
Comments: High specificity for (R)-pantolactone. Phenazine methosulfate (PMS) can act as acceptor. The enzyme has been studied in the bacterium Nocardia asteroides and shown to be membrane-bound and induced by 1,2-propanediol. The FMN cofactor is non-covalently bound.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 140879-14-7
1.  Kataoka, M., Shimizu, S. and Yamada, H. Purification and characterization of a novel FMN-dependent enzyme. Membrane-bound L-(+)-pantoyl lactone dehydrogenase from Nocardia asteroides. Eur. J. Biochem. 204 (1992) 799–806. [DOI] [PMID: 1541293]
[EC created 1999]

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