dTDP-D-galactose + diphosphate => alpha-D-galactose 1-phosphate + dTTP + H(+)
dtdp-d-galactose + diphosphate => alpha-d-galactose 1-phosphate + dttp + h(+)
dTDP-D-galactose + diphosphate => alpha-D-galactose 1-phosphate + dTTP + H(+)
dtdp-d-galactose + diphosphate => alpha-d-galactose 1-phosphate + dttp + h(+)