a 5'-end diphospho-adenosine in mRNA + phosphate + H(+) => a 5'-end triphospho-adenosine in mRNA + H2O
a 5'-end diphospho-adenosine in mrna + phosphate + h(+) => a 5'-end triphospho-adenosine in mrna + h2o
a 5'-end diphospho-adenosine in mRNA + phosphate + H(+) => a 5'-end triphospho-adenosine in mRNA + H2O
a 5'-end diphospho-adenosine in mrna + phosphate + h(+) => a 5'-end triphospho-adenosine in mrna + h2o