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 GGATACATTCAGTATACGTTTA TTACGTATACTGAAGGTATACCGG TCGTGTTACGTATACTGAAGGTATACCGGATAGGATACACTCAGGATACATTCAGTATACGTTTACGA 2 2 3' arm Drosophila_melanogaster mirbase mir-iab-4 2e-29 der-mir-iab-4 4e-33 -26.9 (((((..((((((((((((.((((.((.((..(....)..)).)))))).)))))))))))).))))) (-26.90)