a lactoside III(4)-a-Fuc-Lc4Cer + GDP + H(+) => Lc4Cer + GDP-beta-L-fucose
a lactoside iii(4)-a-fuc-lc4cer + gdp + h(+) => lc4cer + gdp-beta-l-fucose
a lactoside III(4)-a-Fuc-Lc4Cer + GDP + H(+) => Lc4Cer + GDP-beta-L-fucose
a lactoside iii(4)-a-fuc-lc4cer + gdp + h(+) => lc4cer + gdp-beta-l-fucose