Term Name:	fucosylgalactoside 3-alpha-galactosyltransferase activity
Synonyms:	[blood group substance] alpha-galactosyltransferase activity, B transferase activity, blood-group substance B-dependent galactosyltransferase activity, blood-group substance beta-dependent galactosyltransferase activity, fucosylglycoprotein 3-alpha-galactosyltransferase activity, glycoprotein-fucosylgalactoside alpha-galactosyltransferase activity, histo-blood group B transferase activity, histo-blood substance B-dependent galactosyltransferase activity, histo-blood substance beta-dependent galactosyltransferase activity, UDP-galactose:alpha-L-fucosyl-(1,2)-D-galactoside 3-alpha-D-galactosyltransferase activity, UDP-galactose:alpha-L-fucosyl-(1->2)-D-galactoside 3-alpha-D-galactosyltransferase activity, UDPgalactose:alpha-L-fucosyl-(1,2)-D-galactoside 3-alpha-D-galactosyltransferase activity, UDPgalactose:alpha-L-fucosyl-(1->2)-D-galactoside 3-alpha-D-galactosyltransferase activity, UDPgalactose:glycoprotein-alpha-L-fucosyl-(1,2)-D-galactose 3-alpha-D-galactosyltransferase activity, UDPgalactose:O-alpha-L-fucosyl(1,2)D-galactose alpha-D-galactosyltransferase activity, UDPgalactose:O-alpha-L-fucosyl(1->2)D-galactose alpha-D-galactosyltransferase activity
Definition:	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.
Ontology:	GO: Molecular Function [GO:0004381]    QuickGO    AmiGO