Reaction catalyzed by 4-galactosyl-N-acetylglucosaminide 3-alpha-L-fucosyltransferase (2.4.1.152)
+
=
+
GDP-beta-L-fucose
+
octyl Galbeta(1->4)GlcNAc
=
GDP
+
octyl Galbeta(1->4)[L-Fucalpha(1->3)]GlcNAc