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 AAAGAGGTCTATTTTTGCACACAG GTGAGTAAATCTACCTCTTTGA TGGTGCGACCCTACTTCCTGAAACATCACGAATGTGAGTAAATCTACCTCTTTGATATTGCAATTTTACTAAAAAGAGGTCTATTTTTGCACACAGCCGTTGACAGGATCATCG 5 2 3' arm Drosophila_simulans mirbase 100 100 -26.61 .((((..........(((((.....(((((..((((.(((((...((((((((...................)))))))).....))))).))))..)).)))))))).)))). (-26.61)