(R)-4-dehydropantoate + NAD(+) + H2O = (R)-3,3-dimethylmalate + NADH + 2 H(+)
(r)-4-dehydropantoate + nad(+) + h2o = (r)-3,3-dimethylmalate + nadh + 2 h(+)
"(R)-dehydropantoate dehydrogenase"
"(r)-dehydropantoate dehydrogenase"