>Mmu-Mir-181-P1a_loop
UUGGAAUUCAAAUAAAA
>Mmu-Mir-181-P1b_loop
UUGGGAUUCAAAAACAAAAAA
>Mmu-Mir-181-P1c_loop
UGGGCAGCUCAGACAA
>Mmu-Mir-181-P2a_loop
GAACUGUGUAGAAAAG
>Mmu-Mir-181-P2b_loop
UGAAUGUCAACCAA
>Mmu-Mir-181-P2c_loop
GUGAGGAGGCAGCCAGAC