GMP(out) + GDP-beta-L-fucose(in) => GMP(in) + GDP-beta-L-fucose(out)
gmp(out) + gdp-beta-l-fucose(in) => gmp(in) + gdp-beta-l-fucose(out)
GMP(out) + GDP-beta-L-fucose(in) => GMP(in) + GDP-beta-L-fucose(out)
gmp(out) + gdp-beta-l-fucose(in) => gmp(in) + gdp-beta-l-fucose(out)