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 AATCGTACAGGGTCATCCACTT GTGGTTATCCCTGTCCTGTTCG TTGGTACTTGGAGAGTGGTTATCCCTGTCCTGTTCGTTTTAATTACGTCGAATCGTACAGGGTCATCCACTTTTTCAGTATCAA 6 0 3' arm Equus_caballus mirbase mir-154 2e-29 bta-mir-487b 2e-35 -34.8 .(((((((..((((((((....((((((.(.(((((............))))).).))))))....))))))))..))))))). (-34.80)