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 TAGCACCATTCGAAATCAGTGC ACTGAGATCGATTGGTGCATAGA TCAAATTGAAGAACTGAGATCGATTGGTGCATAGATATCGCCCAAAAAGTAATTCATTTCAATTCTAGCACCATTCGAAATCAGTGCTTTTTATTCGAAC 4 1 3' arm Drosophila_virilis mirbase 100 dmo-mir-285 1e-37 -28.09 ((.(((.((((.(((((..((((.((((((.((((............................)))))))))).))))..))))).))))..))).)).. (-28.09)