(S)-2-methyl-3-oxopropanoate + NAD(+) + H2O => methylmalonate + NADH + 2 H(+)
(s)-2-methyl-3-oxopropanoate + nad(+) + h2o => methylmalonate + nadh + 2 h(+)
(S)-2-methyl-3-oxopropanoate + NAD(+) + H2O => methylmalonate + NADH + 2 H(+)
(s)-2-methyl-3-oxopropanoate + nad(+) + h2o => methylmalonate + nadh + 2 h(+)