Term Name:	alpha-1,3-mannosylglycoprotein 2-beta-N-acetylglucosaminyltransferase activity
Synonyms:	alpha-1,3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase activity, alpha-1,3-mannosyl-glycoprotein beta-1,2-N-acetylglucosaminyltransferase activity, alpha-1,3-mannosylglycoprotein beta-1,2-N-acetylglucosaminyltransferase activity, GnTI, GNTI activity, N-acetylglucosaminyltransferase I activity, N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase I activity, UDP-N-acetyl-D-glucosamine:3-(alpha-D-mannosyl)-beta-D-mannosyl-glycoprotein 2-beta-N-acetyl-D-glucosaminyltransferase activity, UDP-N-acetylglucosaminyl:alpha-1,3-D-mannoside-beta-1,2-N-acetylglucosaminyltransferase I activity, UDP-N-acetylglucosaminyl:alpha-3-D-mannoside beta-1,2-N-acetylglucosaminyltransferase I activity, uridine diphosphoacetylglucosamine-alpha-1,3-mannosylglycoprotein beta-1,2-N-acetylglucosaminyltransferase activity
Definition:	Catalysis of the reaction: 3-(alpha-D-mannosyl)-beta-D-mannosyl-R + UDP-N-acetyl-alpha-D-glucosamine = 3-(2-[N-acetyl-beta-D-glucosaminyl]-alpha-D-mannosyl)-beta-D-mannosyl-R + H+ + UDP.
Ontology:	GO: Molecular Function [GO:0003827]    QuickGO    AmiGO