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 AAACATTCGCGGTGCACTTCTT GAAGTTGCCCGCGTGTTTTT TGCTTAATGAGAAGTTGCCCGCGTGTTTTTCGCTTTATATGTGACGAAACATTCGCGGTGCACTTCTTTTTCAGCA 0 4 3' arm Mus_musculus mirbase mir-154 3e-22 rno-mir-543 8e-38 -31.7 .(((.((.(((((((.(((((((((((((((((.......)))).))))))..))))).))))))))).)).))). (-31.70)