Reaction catalyzed by ribosyldihydronicotinamide dehydrogenase (quinone) (1.10.5.1)

		+			=			+
	1-carbamoylmethyl-3-carbamoyl-1,4-dihydropyrimidine	+		menadione	=		1-carbamoylmethyl-3-carbamoylpyrimidine	+		menadiol