a tRNA precursor + 2 CTP + ATP <=> a tRNA with a 3' CCA end + 3 diphosphate
a trna precursor + 2 ctp + atp <=> a trna with a 3' cca end + 3 diphosphate
a tRNA precursor + 2 CTP + ATP <=> a tRNA with a 3' CCA end + 3 diphosphate
a trna precursor + 2 ctp + atp <=> a trna with a 3' cca end + 3 diphosphate