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 TTGCGTAGGCCTTTGCTTCGA GCAGCAATATCCTCCGCAAAA TGGCTCGCGAGAGTATTGCGTAGGCCTTTGCTTCGAGAGAGAAGCTTCAGTTCGCAGCAATATCCTCCGCAAAACTTTCCCCGGCTATGCAAAAAA 5 0 5' arm Caenorhabditis_elegans mirbase mir-242 3e-32 crm-mir-242 0.00000007 -33.4 (((((.(.((((((.(((((.(((...(((((.((((.(((....)))..)))).)))))...))).))))).)))))).).)))))......... (-33.40)