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 TTGGTTTGTTTTGTGTTTTTC GGTAAGACAAAGCGATACCGGGC CGTTTTTTTTTTTGGTTTGTTTTGTGTTTTTCAAGAGGTGGGGTAAGACAAAGCGATACCGGGCTCTG TTCCCCCAATGAAAGCCGTTTTTTTTTTTGGTTTGTTTTGTGTTTTTCAAGAGGTGGGGTAAGACAAAGCGATACCGGGCTCTG 2 2 5' arm Sus_scrofa mirnest 100 100 -14.4 ..........(((((((((((((((.((.((((.....))))..)).))))))))).))))))..... (-14.4)