uridylyl-uridylyl-ribonucleotide-RNA => a 3'-end uridylyl-2',3'-cyclophospho-uridine-RNA + a 5'-end dephospho-ribonucleoside-RNA
uridylyl-uridylyl-ribonucleotide-rna => a 3'-end uridylyl-2',3'-cyclophospho-uridine-rna + a 5'-end dephospho-ribonucleoside-rna
uridylyl-uridylyl-ribonucleotide-RNA => a 3'-end uridylyl-2',3'-cyclophospho-uridine-RNA + a 5'-end dephospho-ribonucleoside-RNA
uridylyl-uridylyl-ribonucleotide-rna => a 3'-end uridylyl-2',3'-cyclophospho-uridine-rna + a 5'-end dephospho-ribonucleoside-rna