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 CTCACTGAACAATGAATGCAA ACATTCATTGCTGTCGGTGGGTT CTTCTTAAAAGGTCACAATCAACATTCATTGCTGTCGGTGGGTTGAACTGTGTAGACAAGCTCACTGAACAATGAATGCAACTGTGGCCCCGCATTTTG TCAGCTCCACAATGGCTTTCCGGATTTGCTGAAGACAGGAAACCACAGCAGGACCTTCTCCTCCCTGTGCAGAGATTCCTTCTTAAAAGGTCACAATCAACATTCATTGCTGTCGGTGGGTTGAACTGTGTAGACAAGCTCACTGAACAATGAATGCAACTGTGGCCCCGCATTTTGCAATCACAATTGAGAGATAGGCCGTCCTTGAAAGAGGTGCTGAACATAGGAATTCTGCTCTTTACGTAAACTTTTCCCATCTGCAGAGTCTTCAGGTTTATGCCCCATAGTTCATATGATCGGCGTTTGATGAAAAGGCACTGGTTTAAGCAAGAATGATCCTTTCCTACACTTCTGTAGGTTATACAGTATTTCTTTAAAGCAGTAAACCAGTTTGCTCATAGACTCTATAGCATCACCCTCAAAGTTTGCGCATCTCCCTATGGGGGTGAAAAAGCCTGAATAGTACTTCTGGAGTTCCCGCTGTTGCGCAGCAGGATCTGCGGGGGCTCTGGAGCACTGGGACACAGTGTTATCCCTGGCCCCCCACAGTGAGTTAAGGGCCTGGCACAGTGGGTTAAGGATCCTGTGTTGCTGCAGTTTCAGCAGAGGTCAAAACTGGCTCAGATCTGATCCCTGGCCTGGGAACTTCATGTGCCAAAAA 4 2 3' arm Sus_scrofa mirnest mir-181 0.00000000009 mml-mir-181b-1 2e-45 -30 ..........(((((((.....(((((((((...((((((((((..............)))))))))).)))))))))....))))))).......... (-30)