Reaction catalyzed by NAD(P)H dehydrogenase (quinone) (1.6.5.2)

		+			=			+		oxidized nicotinamide 8-azidoadenine dinucleotide
	menadione	+		reduced nicotinamide 8-azidoadenine dinucleotide	=		reduced menadione	+		oxidized nicotinamide 8-azidoadenine dinucleotide