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 TGAGATCGTTCAGTACGGCAAT TGCCCTACTCTTCGCATCTCATC GCTCGTCATATCCATTGCCCTACTCTTCGCATCTCATCACTTCGTCCAATACCATAGGGATGAGATCGTTCAGTACGGCAATGGACTGAGCTAGAGT 4 1 3' arm Caenorhabditis_elegans mirbase mir-58 6e-49 crm-mir-58b 2e-26 -36.8 (((((.....(((((((((.((((...((.((((((((.((..((.....))...)).))))))))))...)))).))))))))).)))))...... (-36.80)