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 TTATTGCTTGAGAATACACGTA CGCGTATTCTTGGGGAATTAACA GACTTCATAGGCCAGGTTGGCGACGCGTATTCTTGGGGAATTAACACACATTTGCGCTGTTATTGCTTGAGAATACACGTAGTTTGCCTGGTCGTTCACT 5 1 3' arm Apis_mellifera mirbase mir-137 4e-50 ngi-mir-137 4e-37 -40.4 .........((((((((..((.(((.(((((((..((.(((.(((((.(....).).))))))).))..))))))).))).))..))))))))....... (-40.40)