5'-(5'-triphosphoguanosine)-(purine-ribonucleotide)(3-) residue
5'-(5'-triphosphoguanosine)-(purine-ribonucleotide)(3-) residue
An organic anionic group obtained by deprotonation of the triphosphate OH groups of any 5'-(5'-triphosphoguanosine)-(purine-ribonucleotide) residue; major species at pH 7.3.