FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term GPI mannosyltransferase activity ID (Ontology) GO:0004376 (Gene Ontology)
Definition Catalysis of the transfer of an alpha-D-mannosyl residue from dolichol-P-mannose to GlcN-acyl-PI bearing 0-3 mannoses during formation of the GPI precursor.
Also Known As"glycolipid mannosyl transferase activity"
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Genes (FBgn)GO_MOLECULAR_FUNCTION
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 GPI mannosyltransferase activity (all annotations which use CV term, excluding "NOT" statements)
     enables | GPI mannosyltransferase activity       --
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  hexosyltransferase activity
   |__mannosyltransferase activity
       |__GPI mannosyltransferase activity  5 rec.
           |__dol-P-Man:GlcN-acyl-PI alpha-1,4-mannosyltransferase activity 1 rec.
           |__dol-P-Man:Man(1)GlcN-acyl-PI alpha-1,6-mannosyltransferase activity 1 rec.
           |__dol-P-Man:Man(2)GlcN-acyl-PI alpha-1,2-mannosyltransferase activity 1 rec.
           |__dol-P-Man:Man(3)GlcN-acyl-PI alpha-1,2-mannosyltransferase activity 1 rec.
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Is a mannosyltransferase activity
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Synonyms
  • "glycolipid mannosyl transferase activity" EXACT
    "glycolipid mannosyltransferase activity" BROAD
Secondary IDs
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Reactome:R-HSA-162821 "mannose (a1-6) (ethanolamineP) mannose (a1-4) glucosaminyl-acyl-PI + dolichol phosphate D-mannose -> mannose (a1-2) mannose (a1-6) (ethanolamineP) mannose (a1-4) glucosaminyl-acyl-PI + dolichol phosphate"
Reactome:R-HSA-162873 "(ethanolamineP) mannose (a1-4) glucosaminyl-acyl-PI + dolichol phosphate D-mannose -> mannose (a1-6) (ethanolamineP) mannose (a1-4) glucosaminyl-acyl-PI + dolichol phosphate"