a 2'-deoxyribonucleoside 5'-diphosphate + GDP => a 2'-deoxyribonucleoside 5'-phosphate + GTP
a 2'-deoxyribonucleoside 5'-diphosphate + gdp => a 2'-deoxyribonucleoside 5'-phosphate + gtp
a 2'-deoxyribonucleoside 5'-diphosphate + GDP => a 2'-deoxyribonucleoside 5'-phosphate + GTP
a 2'-deoxyribonucleoside 5'-diphosphate + gdp => a 2'-deoxyribonucleoside 5'-phosphate + gtp