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 ATTCTGCATTTTTAGCAAGTTC TCTTGTTAAAAGGCAGATTCT ATTTTCATCACCTAGGGATCTTGTTAAAAGGCAGATTCTGATTCAGGGACCAAGATTCTGCATTTTTAGCAAGTTCCCAAGTGATGCTAA 2 1 3' arm Equus_caballus mirbase mir-544 8e-42 bta-mir-544a 4e-46 -35.3 .....((((((...((((.((((((((((((((((.(((..((....))...))).))))).))))))))))).))))..)))))).... (-35.30)