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 AACACACCTATTCAAGGATTCA AATCCTTGGAACCTAGGTGTGAGTGC TCTCGAATCCTTGGAACCTAGGTGTGAGTGCCATTTCAGTGCAACACACCTATTCAAGGATTCAAA 2 4 3' arm Equus_caballus mirbase mir-500 4e-21 eca-mir-362 6e-32 -29.8 ....(((((((((((...((((((((..((((......).))).)))))))))))))))))))... (-29.80)