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 TTTTTGTTTTGGTTTGTTTTG AAACGAAACCTCCGCAAGTAAA TATGTAGATAAAATTTTTTTTTTTTTGTTTTGGTTTGTTTTGTTCGATACCTAAAACGAAACCTCCGCAAGTAAAAAAAAAACTTAAAAAACG ATTAGTCGAAAACTATAAACGCTCGACGCGAAATCGTCTCCGGGTCTCCGTCTCCGTAACCAATAACCGCCAACTGTGTTTCACACGTTACGTTGCGAGCCGAAACGCACAACAGTTTTATATTTATTATCAAAAAGTATATGTAGATAAAATTTTTTTTTTTTTGTTTTGGTTTGTTTTGTTCGATACCTAAAACGAAACCTCCGCAAGTAAAAAAAAAACTTAAAAAACGAACAACCT 4 1 5' arm Drosophila_melanogaster mirnest 100 100 -16.5 .............(((((((((.(((((...(((((((((((.........)))))).)))))...))))).)))))))))............ (-16.5)