>Mmu-Mir-504-v1_pri
GAAUGGAAUGUUGAAACUGCUCCUGUUGGGAGACCCUGGUCUGCACUCUAUCUGUAAACUUACUGAAGGGAGAGCAGGGCAGGGUUUCCCAUACAGAGGGCACAGGCUACUAAUGGGAA
>Mmu-Mir-504-v2_pri
AAUGGAAUGUUGAAACUGCUCCUGUUGGGAGACCCUGGUCUGCACUCUAUCUGUAAACUUACUGAAGGGAGAGCAGGGCAGGGUUUCCCAUACAGAGGGCACAGGCUACUAAUGGGA