label: 4-hydroxy-L-isoleucine dehydrogenase activity
label_lc: 4-hydroxy-l-isoleucine dehydrogenase activity
description: "Catalysis of the reaction: (2S,3R,4S)-4-hydroxy-L-isoleucine + NAD = (2S,3R)-2-amino-3-methyl-4-ketopentanoate + NADH + H+."