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 TACATCGGAGACCAGGTTGGCGACGCGTATTCTTGGGGAATTAACACACATACGCGCTGTTATTGCTTGAGAATACACGTAGTTTGCCTGGTCGATCTCT 5 1 3' arm Nasonia_vitripennis mirbase mir-137 8e-36 ngi-mir-137 7e-42 -40.7 .........((((((((..((.(((.(((((((..((.(((.(((((.(....).).))))))).))..))))))).))).))..))))))))....... (-40.70)