Reaction catalyzed by 3-galactosyl-N-acetylglucosaminide 4-alpha-L-fucosyltransferase (2.4.1.65)
+
=
+
+
GDP-fucose
+
Gal-beta-1,4GlcNAc
=
GDP
+
Gal-beta-1,4(Fuc-alpha-1,3)GlcNAc
+
Gal-beta-1,4(Fuc-alpha-1,2)GlcNAc
