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 TGGTGGGCACAGAATCCAGTCT AAAGGATTCTGCTGTCGGTCCCACT ACGTCAGGGAAAGGATTCTGCTGTCGGTCCCACTCCAGAGTTCGCAAAATGGGTGGTGGGCACAGAATCCAGTCTCTGCTTGTG 3 3 3' arm Equus_caballus mirbase mir-541 4e-28 bta-mir-541 1e-30 -34.5 (((.((((((..((((((((.((((.(..((((.(((............)))))))).))))))))))))..))))))..))). (-34.50)