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 TGGCAAGAAATGGCAGTCTACA CGGGCTTCCATCTCTTTCCCAGC AAATGGTTCAAAAAACGTTCGGGCTTCCATCTCTTTCCCAGCCTACATCTCAACCTGGGCTGGCAAGAAATGGCAGTCTACACGTTTTTCAACCAAA 5 1 3' arm Caenorhabditis_elegans mirbase mir-74 6e-49 cbr-mir-74 0.00002 -38.6 ...(((((..((((((((..(((((.((((.((((..((((((((..........)))))))).)))).)))).)))))..)))))))).))))).. (-38.60)