FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term alpha-1,3-mannosylglycoprotein 2-beta-N-acetylglucosaminyltransferase activity ID (Ontology) GO:0003827 (Gene Ontology)
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.[ EC:2 ]
Also Known As "alpha-1,3-mannosylglycoprotein beta-1,2-N-acetylglucosaminyltransferase activity"
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Annotations
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Data Class Field Records
Genes (FBgn)  GO_MOLECULAR_FUNCTION       1
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 Full annotation statements 
Relevant FlyBase reports
 Genes
 alpha-1,3-mannosylglycoprotein 2-beta-N-acetylglucosaminyltransferase activity (all annotations which use CV term, excluding "NOT" statements)       1
     enables | alpha-1,3-mannosylglycoprotein 2-beta-N-acetylglucosaminyltransferase activity       1
Spanning Tree (Parents/Children)
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UDP-glycosyltransferase activity
 |__acetylglucosaminyltransferase activity________
hexosyltransferase activity                       |
 |__acetylglucosaminyltransferase activity________|
catalytic activity, acting on a protein           |
 |__catalytic activity, acting on a glycoprotein__|
                                                  alpha-1,3-mannosylglycoprotein 2-beta-N-acetylglucosaminyltransferase activity  1 rec.
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Is a acetylglucosaminyltransferase activity
catalytic activity, acting on a glycoprotein
Part of
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Synonyms
  • "alpha-1,3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase activity" RELATED[ EC:2 ]
    "alpha-1,3-mannosyl-glycoprotein beta-1,2-N-acetylglucosaminyltransferase activity" RELATED[ EC:2 ]
    "alpha-1,3-mannosylglycoprotein beta-1,2-N-acetylglucosaminyltransferase activity" EXACT
    "GnTI" RELATED[ EC:2 ]
    "GNTI activity" RELATED[ EC:2 ]
    "N-acetylglucosaminyltransferase I activity" RELATED[ EC:2 ]
    "N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase I activity" RELATED[ EC:2 ]
    "UDP-N-acetyl-D-glucosamine:3-(alpha-D-mannosyl)-beta-D-mannosyl-glycoprotein 2-beta-N-acetyl-D-glucosaminyltransferase activity" RELATED[ EC:2 ]
    "UDP-N-acetylglucosaminyl:alpha-1,3-D-mannoside-beta-1,2-N-acetylglucosaminyltransferase I activity" RELATED[ EC:2 ]
    "UDP-N-acetylglucosaminyl:alpha-3-D-mannoside beta-1,2-N-acetylglucosaminyltransferase I activity" RELATED[ EC:2 ]
    "uridine diphosphoacetylglucosamine-alpha-1,3-mannosylglycoprotein beta-1,2-N-acetylglucosaminyltransferase activity" RELATED[ EC:2 ]
Secondary IDs
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EC:2.4.1.101
KEGG_REACTION:R05983
MetaCyc:2.4.1.101-RXN
Reactome:R-HSA-964768 "Addition of GlcNAc to the glycan on the A arm"
RHEA:11456