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 AAAGTTCGTTCGGGGTTTTC GAATCAGAACGAACTTTTT TGGGAAAGTTCGTTCGGGGTTTTCCATAGCATATGGTGAATCAGAACGAACTTTTTGGCCA 2 1 5' arm Bos_taurus mirbase 100 bta-mir-2284x 0.0002 -25.1 .((((((((((((((..(((((.(((((...))))).))))).))))))))))))...)). (-25.10)