a 5'-end (5'-methylphospho)-ribonucleoside-RNA + S-adenosyl-L-methionine = a 5'-end (5'-bismethylphospho)-ribonucleoside-RNA + S-adenosyl-L-homocysteine
a 5'-end (5'-methylphospho)-ribonucleoside-rna + s-adenosyl-l-methionine = a 5'-end (5'-bismethylphospho)-ribonucleoside-rna + s-adenosyl-l-homocysteine
a 5'-end (5'-methylphospho)-ribonucleoside-RNA + S-adenosyl-L-methionine = a 5'-end (5'-bismethylphospho)-ribonucleoside-RNA + S-adenosyl-L-homocysteine
a 5'-end (5'-methylphospho)-ribonucleoside-rna + s-adenosyl-l-methionine = a 5'-end (5'-bismethylphospho)-ribonucleoside-rna + s-adenosyl-l-homocysteine