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 AACATTCATTGTTGTCGGTGGGT CCACCGAGGGATGAATGTCAC AACATTCATTGTTGTCGGTGGGTTGTGAGGACGGAGGCCAGACCCACCGAGGGATGAATGTCAC 2 2 5' arm Canis_familiaris mirbase mir-181 0.00000005 mml-mir-181d 6e-26 -28.2 .(((((((((.(..((((((((((....((.(....))).))))))))))).)))))))))... (-28.20)