Reaction catalyzed by type 1 galactoside alpha-(1,2)-fucosyltransferase (2.4.1.69)
+
=
+
GDP-fucose
+
Galbeta1-4GlcNAcbeta1-3Galbeta1-4Glc
=
Fucalpha1-2Galbeta1-4GlcNAcbeta1-3Galbeta1-4Glc
+
GDP