oligosaccharyl transferase activity dolichyl-diphosphooligosaccharide-protein glycotransferase activity https://github.com/geneontology/go-ontology/issues/26808 https://github.com/geneontology/go-ontology/issues/30193 dolichyldiphosphoryloligosaccharide-protein oligosaccharyltransferase activity Reactome:R-HSA-446209 Reactome:R-HSA-9918962 Reactome:R-HSA-9919011 Reactome:R-HSA-9931286 dolichyldiphosphooligosaccharide-protein glycosyltransferase activity dolichyldiphosphooligosaccharide-protein oligosaccharyltransferase activity asparagine N-glycosyltransferase activity Reactome:R-HSA-9918988 GO:0004579 dolichyl-diphosphooligosaccharide-protein glycosyltransferase activity EC:2.4.99.18 Reactome:R-HSA-9816276 RHEA:50348 MetaCyc:RXN-16761 Reactome:R-HSA-9694793 dolichylpyrophosphodiacetylchitobiose-protein glycosyltransferase activity oligomannosyltransferase activity molecular_function Catalysis of the reaction: dolichyl diphosphooligosaccharide + protein L-asparagine = dolichyl diphosphate + a glycoprotein with the oligosaccharide chain attached by glycosylamine linkage to protein L-asparagine. dolichyl-diphosphooligosaccharide:protein-L-asparagine oligopolysaccharidotransferase activity RHEA:22980