3-O-(alpha-L-fucosyl)-L-threonyl-[protein] + GDP + H(+) => L-threonyl-[protein] + GDP-beta-L-fucose
3-o-(alpha-l-fucosyl)-l-threonyl-[protein] + gdp + h(+) => l-threonyl-[protein] + gdp-beta-l-fucose
3-O-(alpha-L-fucosyl)-L-threonyl-[protein] + GDP + H(+) => L-threonyl-[protein] + GDP-beta-L-fucose
3-o-(alpha-l-fucosyl)-l-threonyl-[protein] + gdp + h(+) => l-threonyl-[protein] + gdp-beta-l-fucose