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 TTTGGCACTCCGCAGATAAGGCAA ACCTTATCCGTTGTAGCCAAAGT GAACCTTCGATTACCTTATCCGTTGTAGCCAAAGTTCAACGAAGCGGCAACTTTGGCACTCCGCAGATAAGGCAATCGATTGTTT 3 3 3' arm Caenorhabditis_elegans mirbase mir-791 7e-42 100 -32.7 ((((..((((((.(((((((((..((.(((((((((...((...))..)))))))))))..))..))))))).))))))..)))) (-32.70)