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Catalysis of the transfer of a galactose group from UDP-galactose to an acceptor molecule. Catalysis of the reaction: UDP-galactose + glycoprotein-alpha-L-fucosyl-(1,2)-D-galactose = UDP + glycoprotein-alpha-D-galactosyl-(1,3)-(alpha-L-fucosyl-(1,2))-D-galactose. Catalysis of the transfer of a glycosyl group from a UDP-sugar to a small hydrophobic molecule. Catalysis of the transfer of a galactosyl group to an acceptor molecule, typically another carbohydrate or a lipid.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: fucosylgalactoside 3-alpha-galactosyltransferase activity
Acc: GO:0004381
Aspect: Molecular Function
Desc: Catalysis of the reaction: UDP-galactose + glycoprotein-alpha-L-fucosyl-(1,2)-D-galactose = UDP + glycoprotein-alpha-D-galactosyl-(1,3)-(alpha-L-fucosyl-(1,2))-D-galactose.
Synonyms:
  • UDPgalactose:O-alpha-L-fucosyl(1->2)D-galactose alpha-D-galactosyltransferase activity
  • histo-blood substance beta-dependent galactosyltransferase activity
  • [blood group substance] alpha-galactosyltransferase activity
  • fucosylglycoprotein 3-alpha-galactosyltransferase activity
  • UDPgalactose:alpha-L-fucosyl-(1->2)-D-galactoside 3-alpha-D-galactosyltransferase activity
  • blood-group substance beta-dependent galactosyltransferase activity
  • glycoprotein-fucosylgalactoside alpha-galactosyltransferase activity
  • UDP-galactose:alpha-L-fucosyl-(1->2)-D-galactoside 3-alpha-D-galactosyltransferase activity
  • B transferase activity
  • UDPgalactose:glycoprotein-alpha-L-fucosyl-(1,2)-D-galactose 3-alpha-D-galactosyltransferase activity
  • histo-blood substance B-dependent galactosyltransferase activity
  • histo-blood group B transferase activity
  • blood-group substance B-dependent galactosyltransferase activity
Proteins in PDR annotated with:
   This term: 3 [Search]
   Term or descendants: 3 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0004381 - fucosylgalactoside 3-alpha-galactosyltransferase activity (interactive image map)
YRC Informatics Platform - Version 3.0
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