label: a 5'-end phospho-guanosine-ribonucleotide-tRNA(His) + diphosphate + H(+) => a 5'-end triphospho-guanosine-ribonucleotide-tRNA(His) + H2O
label_lc: a 5'-end phospho-guanosine-ribonucleotide-trna(his) + diphosphate + h(+) => a 5'-end triphospho-guanosine-ribonucleotide-trna(his) + h2o