(2R,3S)-3-isopropylmalate + NAD(+) = 4-methyl-2-oxopentanoate + CO2 + NADH
(2r,3s)-3-isopropylmalate + nad(+) = 4-methyl-2-oxopentanoate + co2 + nadh
"beta-isopropylmalate dehydrogenase"
"beta-isopropylmalate dehydrogenase"