>Xla-Mir-551-P1a_loop
GUUAGAUUACAUAG
>Xla-Mir-551-P1b_loop
GUUAGAUUCCAUAG
>Xla-Mir-551-P2a_loop
CUGGUUCUUAUACACUGAG
>Xla-Mir-551-P2b_loop
CUGGUUUUUAUUCACUGAG