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 TGACTAGAGCCTATTCTCTTCT TAGAGAAAAGTTTCTAATTACC ATTACCAGCTATTTTCCAAGTAGAGAAAAGTTTCTAATTACCCATCATGCACAAATGTGGTGACTAGAGCCTATTCTCTTCTTGGAAAAGTGGCGACT 4 0 3' arm Caenorhabditis_elegans mirbase 100 crm-mir-247 0.000005 -37 .......(((((((((((((.((((((.((.(((((.(((((...(((......))).))))).))))).)).)))))).))))).)))))))).... (-37.00)