Reaction catalyzed by fucosylgalactoside 3-alpha-galactosyltransferase (2.4.1.37), glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase (2.4.1.40)

		+			=			+
	UDP-N-acetyl-D-galactosamine	+		2'-fucosyllactose	=		UDP	+		N-acetyl-alpha-D-galactosaminyl-(1->3)-[alpha-L-fucosyl-(1->2)]-beta-D-galactosyl-(1->4)-beta-D-glucose