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 ATCATAGAGGAAAATCCACGT GTAGATTCTCCTTCTATGAGTA TAAAAGGTAGATTCTCCTTCTATGAGTACAATATTTATGATTAATCATAGAGGAAAATCCACGTTTTC 4 1 3' arm Equus_caballus mirbase mir-154 2e-29 mml-mir-376a-1 1e-30 -16.61 .((((.((.((((.((((.((((((...................)))))))))).)))).)).)))). (-16.61)