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 ATTTCGCTGTGAGTGTTCCC GAAAACCCGCATTGCGTTATTG TCTTTGGAACGTTAACATCGGAAAACCCGCATTGCGTTATTGTCAACCTCACAATTTCGCTGTGAGTGTTCCCATGTTAGCTCCCATTTTCGA 5 2 3' arm Schmidtea_mediterranea mirbase 100 sme-mir-2147d 0.000000000005 -28.5 ....(((...((((((((.((((.((.((((..(((..(((((.......)))))..))))))).)).)))).))))))))..)))....... (-28.50)