Reaction catalyzed by 3-galactosyl-N-acetylglucosaminide 4-alpha-L-fucosyltransferase (2.4.1.65)

		+			=			+
	GDP-fucose	+		2-aminopyridino-lacto-N-tetraose	=		GDP	+		2-aminopyridino-lacto-N-fucopentaose II