GO:0004381

fucosylgalactoside 3-alpha-galactosyltransferase activity

Details: 
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. [EC:2.4.1.37]
Evidence Code: