(S)-2-methyl-3-oxopropanoate + NADH + H(+) => (S)-3-hydroxy-2-methylpropanoate + NAD(+)
(s)-2-methyl-3-oxopropanoate + nadh + h(+) => (s)-3-hydroxy-2-methylpropanoate + nad(+)
(S)-2-methyl-3-oxopropanoate + NADH + H(+) => (S)-3-hydroxy-2-methylpropanoate + NAD(+)
(s)-2-methyl-3-oxopropanoate + nadh + h(+) => (s)-3-hydroxy-2-methylpropanoate + nad(+)