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 GCGTCAAATTGACTGTGAGCTATGTTTATG TTGCGCGTCAAATTGACTGTGAGCTATGTTTATGAGATTATCATATCACAGCCATTTTGACGAGTTT 3 8 3' arm Drosophila_mojavensis mirbase mir-2 3e-31 dme-mir-13b-2 0.00000000001 -21.4 ..((.(((((((.((.((((((........(((((.....))))))))))).)).))))))).)).. (-21.40)