FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
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General Information
Term beta-1,4-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity ID (Ontology) GO:0003830 (Gene Ontology)
Definition Catalysis of the reaction: UDP-N-acetyl-D-glucosamine + beta-D-mannosyl-R = UDP + 4-(N-acetyl-beta-D-glucosaminyl)-beta-D-mannosyl-R.[ EC:2 ]
Comment
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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
 beta-1,4-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity (all annotations which use CV term, excluding "NOT" statements)       1
     enables | beta-1,4-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity       1
Spanning Tree (Parents/Children)
Only view relationship: 
UDP-glycosyltransferase activity
 |__acetylglucosaminyltransferase activity________
hexosyltransferase activity                       |
 |__acetylglucosaminyltransferase activity________|
catalytic activity, acting on a protein           |
 |__catalytic activity, acting on a glycoprotein__|
                                                  beta-1,4-mannosylglycoprotein 4-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
  • "beta-1,4-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase activity" RELATED[ EC:2 ]
    "beta-1,4-mannosyl-glycoprotein beta-1,4-N-acetylglucosaminyltransferase activity" RELATED[ EC:2 ]
    "GnTIII activity" RELATED[ EC:2 ]
    "N-acetylglucosaminyltransferase III activity" RELATED[ EC:2 ]
    "N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase III activity" RELATED[ EC:2 ]
    "UDP-N-acetyl-D-glucosamine:beta-D-mannosyl-glycoprotein 4-beta-N-acetyl-D-glucosaminyltransferase activity" RELATED[ EC:2 ]
    "uridine diphosphoacetylglucosamine-glycopeptide beta-4-acetylglucosaminyltransferase III activity" RELATED[ EC:2 ]
    "uridine diphosphoacetylglucosamine-glycopeptide beta4-acetylglucosaminyltransferase III" RELATED[ EC:2 ]
Secondary IDs
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EC:2.4.1.144
MetaCyc:2.4.1.144-RXN
Reactome:R-HSA-975926 "Addition of a bifurcating GlcNAc to the N-glycan by MGAT3"
RHEA:15509