label: a 5'-end NTP-ribonucleotide-RNA + AMP + H(+) => a 5'-end adenosine-5'-diphospho-5'-ribonucleotide-RNA + a ribonucleoside 5'-triphosphate
label_lc: a 5'-end ntp-ribonucleotide-rna + amp + h(+) => a 5'-end adenosine-5'-diphospho-5'-ribonucleotide-rna + a ribonucleoside 5'-triphosphate