mature_miRNA miRNA* pre-miRNA EST_contig mismatches bulges arm species source_database RFAM_best_hit RFAM_lowest_evalue miRBase_best_hit miRBase_lowest_evalue folding_energy secondary_structure TCGGTGGGACTTTCGTTCGTTT AGGAATGAAAGTCTCGTCTAATC ACTGTCTAACGTCTGATCCGAAGGAATGAAAGTCTCGTCTAATCGTGATATTAATCGAGATCGGTGGGACTTTCGTTCGTTTGGAAGAGACGACATATCAC 3 1 3' arm Saccoglossus_kowalevskii mirbase mir-278 0.000005 lgi-mir-278 0.000005 -42.9 .........(((((..((((((.((((((((((((((.(..(((.((((....)))).)))..))))))))))))))).))))))..)))))......... (-42.90)