5'-(N(7)-methyl 5'-triphosphoguanosine)-(2'-O-methyl-purine-ribonucleotide)-(2'-O-methyl-ribonucleotide)(3-) residue
5'-(n(7)-methyl 5'-triphosphoguanosine)-(2'-o-methyl-purine-ribonucleotide)-(2'-o-methyl-ribonucleotide)(3-) residue
A 7-methyl guanosine (m7G) linked via an inverted 5'-5' triphosphate bridge to an initiating 2'-<em>O</em>-methyl-purine-ribonucleotide-2'-<em>O</em>-methyl-ribonucleotide; major species at pH 7.3