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 TTCGTTGTCGACGAAACCTGCA CGGGTTTCGTTAGCAGCGGGCT AAACATCCTCACTGAAGTCGGGTTTCGTTAGCAGCGGGCTGTTTTAATAAATTCAACAAGTTCGTTGTCGACGAAACCTGCATGCTGTGTGGAAAAT 4 0 3' arm Drosophila_melanogaster mirbase mir-981 6e-49 dme-mir-981 3e-50 -39.2 .....(((.(((.(....((((((((((..(((((((((((((...........))).))))))))))..))))))))))....).))).))).... (-39.20)