. "The complex is present in mitochondria and aerobic bacteria." . "Breakdown of the complex can release EC 1.6.99.3." . "In photosynthetic bacteria, reversed electron transport through this enzyme can reduce NAD(+) to NADH." . . . "NADH-ubiquinone oxidoreductase" . "NADH dehydrogenase (ubiquinone)" . "NADH-ubiquinone reductase" . "NADH-coenzyme Q reductase" . "Ubiquinone reductase" . "Coenzyme Q reductase" . "Electron transfer complex I" . "NADH-CoQ oxidoreductase" . "NADH-CoQ reductase" . "NADH:ubiquinone reductase (H(+)-translocating)" . "Complex I (electron transport chain)" . "Complex I (mitochondrial electron transport)" . "Dihydronicotinamide adenine dinucleotide-coenzyme Q reductase" . "DPNH-coenzyme Q reductase" . "DPNH-ubiquinone reductase" . "Mitochondrial electron transport complex 1" . "Mitochondrial electron transport complex I" . "NADH coenzyme Q1 reductase" . "Reduced nicotinamide adenine dinucleotide-coenzyme Q reductase" . "NADH + ubiquinone = NAD(+) + ubiquinol." . "FMN" . "Iron-sulfur" .