| Synonyms: | 
        
            
                coenzyme Q reductase activity,
            
                complex 1 dehydrogenase activity,
            
                complex I (electron transport chain) activity,
            
                complex I (mitochondrial electron transport) activity,
            
                complex I (NADH:Q1 oxidoreductase) activity,
            
                dihydronicotinamide adenine dinucleotide-coenzyme Q reductase activity,
            
                DPNH-coenzyme Q reductase activity,
            
                DPNH-ubiquinone reductase activity,
            
                electron transfer complex I activity,
            
                mitochondrial electron transport complex 1 activity,
            
                mitochondrial electron transport complex I activity,
            
                NADH coenzyme Q1 reductase activity,
            
                NADH-coenzyme Q oxidoreductase activity,
            
                NADH-coenzyme Q reductase activity,
            
                NADH-CoQ oxidoreductase activity,
            
                NADH-CoQ reductase activity,
            
                NADH-Q6 oxidoreductase activity,
            
                NADH-ubiquinone oxidoreductase activity,
            
                NADH-ubiquinone reductase activity,
            
                NADH-ubiquinone-1 reductase activity,
            
                NADH:ubiquinone oxidoreductase activity,
            
                NADH:ubiquinone oxidoreductase complex activity,
            
                reduced nicotinamide adenine dinucleotide-coenzyme Q reductase activity,
            
                type 1 dehydrogenase activity,
            
                ubiquinone reductase activity
                                
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