label: (tRNA)-3'-end (ribonucleoside 5'-phosphate)-(guanosyl 5'-phosphate)-(cytosyl 5'-phosphate)-(cytosyl 5'-phosphate)-(adenosine 5'-phosphate) + H2O <=> GpCpCpA + tRNA 3'-end (ribonucleotide 3'-phosphate) + H(+)
label_lc: (trna)-3'-end (ribonucleoside 5'-phosphate)-(guanosyl 5'-phosphate)-(cytosyl 5'-phosphate)-(cytosyl 5'-phosphate)-(adenosine 5'-phosphate) + h2o <=> gpcpcpa + trna 3'-end (ribonucleotide 3'-phosphate) + h(+)