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 TACTGGCCCCCAAATCTTCGCT CGAGGATTTTGAGACTAGAATG TTGTTAGAAACTTTTTCAAATCGAGGATTTTGAGACTAGAATGCTTGAATTGTACTAGCATACTGGCCCCCAAATCTTCGCTTAGAAATACAGTTCA 5 0 3' arm Caenorhabditis_elegans mirbase mir-240 6e-49 100 -23.6 ......(((....((((.((.(((((((((.(.(.((((.(((((...........))))).)))).).).))))))))).)).)))).....))). (-23.60)