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 CAGTGCAATAGTATTGTCAAAGC TCTGACTTTATTGCACTACT ACTGCTAACGAATGCTCTGACTTTATTGCACTACTGTACTTTACAGCTAGCAGTGCAATAGTATTGTCAAAGCATCTGAAAGCAGG 3 3 3' arm Equus_caballus mirbase 100 mml-mir-301a 1e-43 -32.8 .(((((..((.(((((.((((.((((((((((.(((((...))))).....))))))))))....)))).))))).))..))))). (-32.80)