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 CCGTGCTTCCTTACTTCCCATA TGGAATGTAAAGAAGTATGGAG TTCGCGAGTTCCGTGCTTCCTTACTTCCCATAGTGCTTTAAACGTATGGAATGTAAAGAAGTATGGAGCGAA 4 0 5' arm Tribolium_castaneum mirbase mir-1 1e-33 tca-mir-1 2e-35 -28.2 .......((((((((((((.((((...(((((((.......)).)))))...)))).))))))))))))... (-28.20)