Reaction catalyzed by glycoprotein 3-alpha-L-fucosyltransferase (2.4.1.214)

		+			=			+
	GDP-beta-L-fucose	+		(1->4)-beta-D-galactosyl-N-acetyl-D-glucosaminyl-L-Asn	=		GDP	+		(1->4)-beta-D-galactosyl-[alpha-(1->3)-L-fucosyl]-N-acetyl-D-glucosaminyl-L-Asn