Reaction catalyzed by nitrosourea synthase (1.14.13.250)

		+			=			+		H2O
	Ndelta,Nomega-dihydroxy-Nomega-methyl-L-arginine	+		O2	=		Ndelta-hydroxy-Nomega-methyl-Nomega-nitroso-L-citrulline	+		H2O