a 5'-end (5'-triphosphoguanosine)-guanosine in mRNA + L-lysyl-[protein] => a 5'-end diphospho-guanosine in mRNA + N(epsilon)-GMP-L-lysyl-[protein] + 2 H(+)
a 5'-end (5'-triphosphoguanosine)-guanosine in mrna + l-lysyl-[protein] => a 5'-end diphospho-guanosine in mrna + n(epsilon)-gmp-l-lysyl-[protein] + 2 h(+)
a 5'-end (5'-triphosphoguanosine)-guanosine in mRNA + L-lysyl-[protein] => a 5'-end diphospho-guanosine in mRNA + N(epsilon)-GMP-L-lysyl-[protein] + 2 H(+)
a 5'-end (5'-triphosphoguanosine)-guanosine in mrna + l-lysyl-[protein] => a 5'-end diphospho-guanosine in mrna + n(epsilon)-gmp-l-lysyl-[protein] + 2 h(+)