Reaction catalyzed by O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase (2.4.1.222)

	O-linked fucose on the epidermal growth factor-like sequence repeats of Notch	+			=
	O-linked fucose on the epidermal growth factor-like sequence repeats of Notch	+		GlcNAc	=		GlcNAc-beta-1,3-fucitol-Notch