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 GGCTAGCAACAGCGCTTACCT GTAGGCGGTGCTGCTGTGCTCT AGGGGCTGAGTGGTAGGCGGTGCTGCTGTGCTCTGATGAAGACCCATGTGGCTAGCAACAGCGCTTACCTTAAGTCTCT GTTGGTCTCGAACTCCTGACCTCAAGTGATCCGCCCACCTCGGCCTCCCAAGGTGCTGGGATTACTGGTGTGAGCCACCATGCCCAGCCAGTGGTTGAATTTTTTAAAAAGTGTTCATGGGGTGCTTGAAAACTAAAATATCCTTCTAGATTTGTAAGACAGTATACCTGCATACTGGTGTGGCTTCCACACTTGAGTAAAAGCTTCAGAGTAGGTATCCTAGATTTCCCCAAGATGCTCTACTCTTAAAATAGTGCCATTCATTTTCTAGGTGGGATCATATTCCACGCTGACTATATTGCTAGGGGTGGCCCAGAGGGTCAGGCCTTTGGGAAATAGCATGGCCTTTACCAGCTTCCCTTCTCTCCCAAAGAACTTCCCTTCTTGGGCTTTAGATTGAGGAAGGGGCTGAGTGGTAGGCGGTGCTGCTGTGCTCTGATGAAGACCCATGTGGCTAGCAACAGCGCTTACCTTAAGTCTCTGGGTCCTGGCCTGGGGCCATCAATCCACTTTGGGCCACTCACTGTCTGCTCTGCCTCCACAATCAGAACACCTTCCAAGGAACAGTGAGAGCCAAAGCCAAGAGAAGCCTTCTTCACTGTTCTGGTGATCGCGTCGACAGTCGGGTGCACCTCTCGTCAGATACAACTCAGACCCGAACTCAATCGCTTGTACTCCACCAGTGCAGTAATGTCAAGGTCTGACCCATCCTGAAGCCTGTCTTGCCATGCATTTAACAGTGTTGGAGAGCTACTACA 3 1 3' arm Homo_sapiens mirnest mir-621 3e-19 hsa-mir-621 8e-35 -29.5 (((((((....((((((((.((.(((((.(((...(((......)))..)))))))).)).))))))))...))))))) (-29.5)