GDP-beta-L-galactose + phosphate <=> beta-L-galactose 1-phosphate + GDP + H(+)
gdp-beta-l-galactose + phosphate <=> beta-l-galactose 1-phosphate + gdp + h(+)
GDP-beta-L-galactose + phosphate <=> beta-L-galactose 1-phosphate + GDP + H(+)
gdp-beta-l-galactose + phosphate <=> beta-l-galactose 1-phosphate + gdp + h(+)