>Dre-Mir-137-P1a-v1_loop
CGGCUCUCGUUG
>Dre-Mir-137-P1a-v2_loop
ACGGCUCUCGUUGU
>Dre-Mir-137-P1b-v1_loop
CGGCUCUCGUUG
>Dre-Mir-137-P1b-v2_loop
ACGGCUCUCGUUGU