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 AGGATACATTCAGTATACG TATACTGAAGGTATACCGGA TGAAATGTGGCCTCCTGTTACGTATACTGAAGGTATACCGGACAGAAAACACTCAGGATACATTCAGTATACGTACAGGGGGTTTAACATTCTG 2 1 3' arm Tribolium_castaneum mirbase mir-iab-4 3e-41 tca-mir-iab-8 2e-48 -41.1 ...(((((.(((((((((.((((((((((((.((((.((.((..........)).)))))).)))))))))))))))))))))...)))))... (-41.10)