ID 1.1.1.214 DE 2-dehydropantolactone reductase (Si-specific). AN 2-dehydropantolactone reductase (B-specific). AN 2-dehydropantoyl-lactone reductase (B-specific). AN 2-ketopantoyl lactone reductase. AN ketopantoyl lactone reductase. CA (R)-pantolactone + NADP(+) = 2-dehydropantolactone + H(+) + NADPH. CC -!- The Escherichia coli enzyme differs from that from Saccharomyces CC cerevisiae (EC 1.1.1.168), which is specific for the Re-face of NADP, CC and in receptor requirements from EC 1.1.99.26. //