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 CGCAGTATATTTTTGTGTTTTG AATCACAGGATTATACTGTGAG CTCGCAGTATATTTTTGTGTTTTGTTTCGTTTTGCAATCCAAATCACAGGATTATACTGTGAG 2 0 5' arm Drosophila_melanogaster mirbase mir-308 6e-29 dme-mir-308 4e-30 -24.7 (((((((((((.(((((((.((((..(.(.....).)..)))).))))))).))))))))))) (-24.70)