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 AATCACAGGATTATACTGTGAG CGCAGTATACTTTTGTGTTTTG CTCGCAGTATACTTTTGTGTTTTGTTTATTTTGAAAATCAAATCACAGGATTATACTGTGAG 2 0 3' arm Drosophila_virilis mirbase mir-308 4e-21 dgr-mir-308 5e-23 -23.3 (((((((((((.(((((((.(((((((.......))).)))).))))))).))))))))))) (-23.30)