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