a 3'-end 3'-phospho-ribonucleotide-RNA + H(+) => a 3'-end 2',3'-cyclophospho-ribonucleotide-RNA + H2O
a 3'-end 3'-phospho-ribonucleotide-rna + h(+) => a 3'-end 2',3'-cyclophospho-ribonucleotide-rna + h2o
a 3'-end 3'-phospho-ribonucleotide-RNA + H(+) => a 3'-end 2',3'-cyclophospho-ribonucleotide-RNA + H2O
a 3'-end 3'-phospho-ribonucleotide-rna + h(+) => a 3'-end 2',3'-cyclophospho-ribonucleotide-rna + h2o