Reaction catalyzed by dolichyl-phosphooligosaccharide-protein glycotransferase (2.4.99.21)

		+		[peptide]-L-asparagine	=			+		a glycopeptide with the oligosaccharide chain attached by N-beta-D-glycosyl linkage to a protein L-asparagine
	lipid-linked oligosaccharide	+		[peptide]-L-asparagine	=		lipid	+		a glycopeptide with the oligosaccharide chain attached by N-beta-D-glycosyl linkage to a protein L-asparagine