>Spt-Mir-181-P1a_loop
UUGGGAUUAAAGUGAAA
>Spt-Mir-181-P1b_loop
UUGAGGAUAAGAAAAA
>Spt-Mir-181-P1c_loop
UUUGUCCUCCCAGUUAA
>Spt-Mir-181-P2a_loop
AACUAUGUGGACAA
>Spt-Mir-181-P2b_loop
UUAGUUUGAAUCAA
>Spt-Mir-181-P2c3_loop
GUGAUGCUGAAAGAGAAA
>Spt-Mir-181-P2c4_loop
GUGAUGCUGAAAGAGAAA