NADH:ubiquinone oxidoreductase core subunit S2
CI-49
NADH dehydrogenase (ubiquinone) Fe-S protein 2 (49kD) (NADH-coenzyme Q reductase), "NADH dehydrogenase (ubiquinone) Fe-S protein 2, 49kDa (NADH-coenzyme Q reductase)"
complex I 49kDa subunit, "NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial"