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 TTTGGCACTAGCACATTTTGC GAAAGTATGCTAGTGGCAAGCA CCTTTTTGGCACTAGCACATTTTGCTGTCTTTTTATATCAGCGAAAGTATGCTAGTGGCAAGCAGGACGTCATCGACCTTTCATCCGG 3 1 5' arm Saccoglossus_kowalevskii mirbase 100 spu-mir-96 0.000001 -30.2 (((.((((.((((((((..((((((((...........))))))))...)))))))).)))).)))...................... (-30.20)