>Purine2
AAAAUUUAAUAAGAAGCACUCAUAUAAUCCcGAGAAUaUGGCUCgGGAGU
CUCUACCGAACAaCCGUAAauUGUUCGACUAUGAGUGAAAGUGUACCUAG
GG
>Purine3
UGGCAGUAACUAGCGUCACUUCGUAUAACCCCAGUGAUAUGGAUUGGGGG
UCUCUACCAGGAACCAAUAAAUCCUGAUUACGAAGAGUUUAGUGCUUUAG
U