Reaction catalyzed by 4-galactosyl-N-acetylglucosaminide 3-alpha-L-fucosyltransferase (2.4.1.152)

		+			=			+	3
	GDP-beta-L-fucose	+		D-lactose	=		GDP	+		3 L-Fuc-alpha-(1->3)-[D-Gal-beta(1->4)]-D-Glc