label: 4-galactosyl-N-acetylglucosaminide 3-alpha-L-fucosyltransferase activity
label_lc: 4-galactosyl-n-acetylglucosaminide 3-alpha-l-fucosyltransferase activity
description: "Catalysis of the reaction: GDP-beta-L-fucose + beta-D-galactosyl-(1,4)-N-acetyl-D-glucosaminyl-R = GDP + 1,4-beta-D-galactosyl-(1,4)-[alpha-L-fucosyl-(1,3)]-N-acetyl-D-glucosaminyl-R."