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 GCACTGGGTAAAGTTTGTCCTA CGACAAACCTTGTTCTGTTTTG ATTATACGACAAACCTTGTTCTGTTTTGCCAATTTCCTAGCCAGCACTGGGTAAAGTTTGTCCTATAAT 6 0 3' arm Drosophila_yakuba mirbase mir-3 1e-27 der-mir-309 3e-31 -16.2 ((((((.(((((((.(((..(.((.(((.(.........).))).)).)..))).))))))).)))))) (-16.20)