1.1.1.86 ketol-acid reductoisomerase (NADP+); dihydroxyisovalerate dehydrogenase (isomerizing); acetohydroxy acid isomeroreductase; ketol acid reductoisomerase; alpha-keto-beta-hydroxylacyl reductoisomerase; 2-hydroxy-3-keto acid reductoisomerase; acetohydro • • •