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.
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. [PMID: 1541293]