Reaction catalyzed by dolichyl-diphosphooligosaccharide-protein glycotransferase (2.4.99.18)
+
=
+
glycoprotein with the oligosaccharide chain attached by N-glycosyl-linkage to protein L-asparagine
dolichyl diphosphooligosaccharide
+
protein L-asparagine
=
dolichyl diphosphate
+
glycoprotein with the oligosaccharide chain attached by N-glycosyl-linkage to protein L-asparagine