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 GAGGGTTGGGCGGAGCCTCTG GGGGCCCGTCATCACCTTCCT GCGCGGCCAAGGGGCCCGTCATCACCTTCCTGGACGCTCATATTGAGTGCACAGAGGGTTGGGCGGAGCCTCTGTTGGCAA CCCTTATTTGGAGGAGATCATTCTTGTAGATGATGCCAGTGAAAGAGAACATTTAGGGTCTCAGCTAGAGAGAGGGTTGAGAAGAGTGACCAGAGAGACAGGTGTACCTGTGAAGCTGGAGAGGATGGGGAAGAGATCTGGGCTCATCAGGGCGAGACTGAGGGGGTCGGGCGCGGCCAAGGGGCCCGTCATCACCTTCCTGGACGCTCATATTGAGTGCACAGAGGGTTGGGCGGAGCCTCTGTTGGCAAGG 3 2 3' arm Branchiostoma_floridae mirnest 100 100 -37.1 .....(((((((((((((((...((((((.((..((((((...))))))..))))))))..))))).))))))..)))).. (-37.1)