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 CATGTCTTACTTTCAATGTCATCAAAAAGGGCTGAGAATGATATATCTGCAATTGAATCGTATCACAGCCAGCTTTGATGGGCATTGCAAAGGGCA 4 2 3' arm Drosophila_grimshawi mirbase mir-2 1e-34 dvi-mir-2c 1e-49 -30.6 ..((((...(((((((((((((((((...(((((.(((((((.((........)).))))).)).)))))...)))))).))))))).)))))))) (-30.60)