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 TATCACAGCCATTTTGATGAGT TCCTCAAAGGGCTGTGAAATG TACGTAACTCCTCAAAGGGCTGTGAAATGTTGCCATTATCTACTCATATCACAGCCATTTTGATGAGTTTCGTG 2 1 3' arm Drosophila_ananassae mirbase mir-2 2e-20 dya-mir-13a 1e-27 -29.36 ((((.(((((.((((((((((((((.(((...............))).)))))))).)))))).))))).)))) (-29.36)