ID 1.1.1.358 DE 2-dehydropantolactone reductase. AN 2-dehydropantoyl-lactone reductase. AN 2-ketopantoyl lactone reductase. AN 2-oxopantoyl lactone reductase. AN ketopantoyl lactone reductase. CA (R)-pantolactone + NADP(+) = 2-dehydropantolactone + H(+) + NADPH. CC -!- The enzyme participates in an alternative pathway for biosynthesis of CC (R)-pantothenate (vitamin B5). CC -!- This entry covers enzymes whose stereo specificity for NADP(+) is not CC known (cf. EC 1.1.1.168 and EC 1.1.1.214). DR Q76L37, CPRC1_CANPA; Q76L36, CPRC2_CANPA; //