ID 1.1.1.382 DE ketol-acid reductoisomerase (NAD(+)). CA (2R)-2,3-dihydroxy-3-methylbutanoate + NAD(+) = (2S)-2-acetolactate + CA H(+) + NADH. CC -!- The enzyme, characterized from the bacteria Thermacetogenium phaeum CC and Desulfococcus oleovorans and from the archaeon Archaeoglobus CC fulgidus, is specific for NADH (cf. EC 1.1.1.86 and EC 1.1.1.383). DR A8ZTR0, ILVC_DESOH ; K4LVZ1, ILVC_THEPS ; Q64BR7, ILVC_UNCAG ; //