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 TATCACAGCCAGCTTTGATGGGC CATCAAAAAGGGCTGAGAATG CATGTCTTACTTTCAATGTCATCAAAAAGGGCTGAGAATGATATATCTGCAATTGAATCGTATCACAGCCAGCTTTGATGGGCATTGCAAAGGGCAAC 4 2 3' arm Drosophila_virilis mirbase mir-2 1e-34 dgr-mir-2c 1e-49 -31.4 ..((((...(((((((((((((((((...(((((.(((((((.((........)).))))).)).)))))...)))))).))))))).)))))))).. (-31.40)