ID 2.4.1.37 DE Fucosylgalactoside 3-alpha-galactosyltransferase. AN [Blood group substance] alpha-galactosyltransferase. AN B transferase. AN Blood-group substance alpha-dependent galactosyltransferase. AN Blood-group substance B-dependent galactosyltransferase. AN Fucosylglycoprotein 3-alpha-galactosyltransferase. AN Glycoprotein-fucosylgalactoside alpha-galactosyltransferase. AN Histo-blood group B transferase. AN Histo-blood substance alpha-dependent galactosyltransferase. AN UDPgalactose:glycoprotein-alpha-L-fucosyl-(1,2)-D-galactose 3-alpha-D- AN galactosyltransferase. AN UDPgalactose:O-alpha-L-fucosyl(1->2)D-galactose alpha-D- AN galactosyltransferase. CA UDP-alpha-D-galactose + alpha-L-fucosyl-(1->2)-D-galactosyl-R = UDP + CA alpha-D-galactosyl-(1->3)-(alpha-L-fucosyl-(1->2))-D-galactosyl-R. CC -!- Acts on blood group substance, and can use a number of 2-fucosyl- CC galactosides as acceptors. DR Q54RP0, AGTA_DICDI ; Q9ET32, BGAT1_RAT ; Q8CFC4, BGAT2_RAT ; DR P16442, BGAT_HUMAN ; P38649, BGAT_MOUSE ; //