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 TCCAAACCTCTTTAACAGCATCTTTG TAAGAACCCTCGTTAGCGAGTTTGGCGA TTCTCCCATAAGAACCCTCGTTAGCGAGTTTGGCGAAGCTCCAAACCTCTTTAACAGCATCTTTGGTGGAT 4 4 3' arm Tribolium_castaneum mirbase 100 tca-mir-3883 7e-35 -18.2 .((..(((.((((...((.(((((.((((((((.......))))).))).)))))))..)))))))..)). (-18.20)