(2R)-hydroxy-4-methylpentanoate + FAD + H(+) <=> 4-methyl-2-oxopentanoate + FADH2
(2r)-hydroxy-4-methylpentanoate + fad + h(+) <=> 4-methyl-2-oxopentanoate + fadh2
(2R)-hydroxy-4-methylpentanoate + FAD + H(+) <=> 4-methyl-2-oxopentanoate + FADH2
(2r)-hydroxy-4-methylpentanoate + fad + h(+) <=> 4-methyl-2-oxopentanoate + fadh2