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 AATCATACAGGGACATCCAGTT GTGGTTATCCCTGCTGTGTTCG GGTACTTGAAGAGTGGTTATCCCTGCTGTGTTCGCTGTATTTATGACGAATCATACAGGGACATCCAGTTTTTCAGTATC 4 2 3' arm Equus_caballus mirbase mir-154 2e-36 cfa-mir-487a 4e-40 -30.9 ((((((.(((((.(((...((((((.((((((((..((....))..)))).))))))))))...))).))))).)))))) (-30.90)