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 TCACTGGGCTTTGTTTATCTCA GGATACACCAAGTTCAGTTTTG TTTATGGGATACACCAAGTTCAGTTTTGTCGCATTCCACGAGCATCACTGGGCTTTGTTTATCTCATAGAG 4 0 3' arm Drosophila_willistoni mirbase mir-318 8e-32 dwi-mir-318-2 4e-33 -27.2 (((((((((((.((.(((((((((..(((((.......))).))..))))))))).)).))))))))))). (-27.20)