GDP-alpha-D-glucose + D-glucose 6-phosphate => alpha,alpha-trehalose 6-phosphate + GDP + H(+)
gdp-alpha-d-glucose + d-glucose 6-phosphate => alpha,alpha-trehalose 6-phosphate + gdp + h(+)
GDP-alpha-D-glucose + D-glucose 6-phosphate => alpha,alpha-trehalose 6-phosphate + GDP + H(+)
gdp-alpha-d-glucose + d-glucose 6-phosphate => alpha,alpha-trehalose 6-phosphate + gdp + h(+)