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(+) => gdp-beta-l-galactose + phosphate