>Xtr-Mir-221-P1a_pre
CGCUCAGUAAUCAGUGUAGAUCCUGUAUAUCUGUCAGCAGCUACAUCUGGCUACUGGGUCUC
>Xtr-Mir-221-P2a_pre
ACCUGGCAUACAAUGUAGAAAACUGUGUUUGCAAAGCAACAGCUACAUUGUCUGCUGGGUUUC