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 CGCAGTATATTTTTGTGTTTTG CTCGCAGTATATTTTTGTGTTTTGTTTCGTTTTGCAAATCAAATCACAGGATTATACTGTGAG 2 0 3' arm Drosophila_erecta mirbase mir-308 4e-24 dse-mir-308 9e-28 -24.4 (((((((((((.(((((((.((((.((.(.....).)).)))).))))))).))))))))))) (-24.40)