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 CAAAGTGCTGTTCGTGCAGGTAG ACTGCTGAGCTAGCACTTCC CAAAGTGCTGTTCGTGCAGGTAGTGTGATTACCTGACCTACTGCTGAGCTAGCACTTCC 2 3 5' arm Equus_caballus mirbase mir-17 0.00004 cfa-mir-93 8e-28 -22.4 ..((((((((((((.((((.(((.((.(.....).)))))))))))))).))))))).. (-22.40)