GDP-D-glucose + diphosphate => alpha-D-glucose 1-phosphate + GTP + H(+)
gdp-d-glucose + diphosphate => alpha-d-glucose 1-phosphate + gtp + h(+)
GDP-D-glucose + diphosphate => alpha-D-glucose 1-phosphate + GTP + H(+)
gdp-d-glucose + diphosphate => alpha-d-glucose 1-phosphate + gtp + h(+)