4-methyl-2-oxopentanoate + NADPH + H(+) => (2R)-hydroxy-4-methylpentanoate + NADP(+)
4-methyl-2-oxopentanoate + nadph + h(+) => (2r)-hydroxy-4-methylpentanoate + nadp(+)
4-methyl-2-oxopentanoate + NADPH + H(+) => (2R)-hydroxy-4-methylpentanoate + NADP(+)
4-methyl-2-oxopentanoate + nadph + h(+) => (2r)-hydroxy-4-methylpentanoate + nadp(+)