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 TCAGGTACTTAGTGACTCTCAA GAGAGACGCTCTGTACCTAGA GCTCAGGTACTTAGTGACTCTCAAAGAATATATATAGACTTGAGAGACGCTCTGTACCTAGACT 3 1 5' arm Drosophila_willistoni mirbase mir-306 2e-29 dwi-mir-306-1 2e-28 -21.86 .((.((((((..((((.(((((((...............))))))).))))..))))))))... (-21.86)