>Xtr-Mir-221-P1a_5p*
CGCUCAGUAAUCAGUGUAGAUCC
>Xtr-Mir-221-P1a_3p
AGCUACAUCUGGCUACUGGGUCUC
>Xtr-Mir-221-P2a_5p*
ACCUGGCAUACAAUGUAGAAAACUGU
>Xtr-Mir-221-P2a_3p
AGCUACAUUGUCUGCUGGGUUUC