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 CTGTGCTCATAAAGTTCTATAG GTAGGATTTTAAGCATTAAGCA GTAGGATTTTAAGCATTAAGCATGTATATAGTTTTTGCTGTGCTCATAAAGTTCTATAG 2 4 3' arm Drosophila_melanogaster mirbase 100 100 -16.22 ((((((((((((((((..((((.............)))))))))..))))))))))).. (-16.22)