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 TACCCGTAATCTTCATAATCCGAG AGGATATGAGACGACGAGAACA GTGAGTCGCGCTCTGACTAGGATATGAGACGACGAGAACATTGCTTTTTTAAAAGACTTGTACCCGTAATCTTCATAATCCGAGTCAGGGCTAGCTGAC 5 2 3' arm Caenorhabditis_elegans mirbase 100 cel-mir-54 2e-51 -35.3 ((.(((...(((((((((.((((((((((..(((.(.(((...((((....))))...))).).)))..)).)))).)))).)))))))))..))).)) (-35.30)