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 TGAGGTAGGCTCAGTAGATGCGA ACATCCACCAGCCTAGCTCGCA AAACTCCCGGGAACTTGAGGTAGGCTCAGTAGATGCGAATTGAACGGTATCTCACATCCACCAGCCTAGCTCGCATTCCCAGAGTTTACGGTATTGTT 4 1 5' arm Caenorhabditis_elegans mirbase mir-48 1e-49 crm-mir-48 0.000001 -34.5 ((((((..(((((..((((.((((((..((.((((.((..((.....))..)).)))).)).)))))).))))..))))).))))))........... (-34.50)