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 AGGAGGTGTGATCGCTTTG TCTGGGGGTGGCACCTCCTTG ATTTTGTCCCATTTTTCTGGGGGTGGCACCTCCTTGCGAAGGAGGTGTGATCGCTTTGAATGGCACTACTG 4 0 3' arm Tribolium_castaneum mirbase 100 tca-mir-3900 7e-35 -29.8 .....((.((((((....((.(((.(((((((((.....))))))))).))).))..)))))).))..... (-29.80)