Reaction catalyzed by glycoprotein 3-alpha-L-fucosyltransferase (2.4.1.214)
+
=
GDP-fucose
+
Galbeta1-4GlcNAcalpha-p-nitrophenol
=
Galbeta1-4(Fucalpha1-3)GlcNAcalpha-p-nitrophenol