Reaction catalyzed by dolichyl-diphosphooligosaccharide-protein glycotransferase (2.4.99.18)

		+		asparagine-asparagine-threonine-NH2 acceptor peptide	=			+		protein with oligosaccharide attached to protein L-asparagine
	dolichyl diphosphooligosaccharide	+		asparagine-asparagine-threonine-NH2 acceptor peptide	=		dolichyl disphosphate	+		protein with oligosaccharide attached to protein L-asparagine