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 TGCGTAGGCGTTGTGCACACTGT CGTGTGTACCTCTCCTGCGTCAC ATGGCCGTCCAAGCGTTGCGTAGGCGTTGTGCACACTGTCTGGTATAACCGTGTGTACCTCTCCTGCGTCACATTTGGACGGCATG 5 0 5' arm Branchiostoma_floridae mirbase 100 sko-mir-242 0.00006 -46 ...((((((((((.((.(((((((.(..((((((((.((........)).))))))))..).))))))).)).))))))))))... (-46.00)