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 TATCACAGCCATTTTGACGAGT GCGTCGAAATGACTGTGACTTATG AGCGCGTCGAAATGACTGTGACTTATGCGTATTTGATGTCATATCACAGCCATTTTGACGAGTTTG 2 2 3' arm Drosophila_ananassae mirbase mir-2 1e-30 dps-mir-13b-2 2e-16 -26.1 (((.((((((((((.((((((..(((((((.....))).)))))))))).)))))))))).))).. (-26.10)