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 GCTCAGGTACTTAGTGACTCTCAAAGAATATATCTAGACTTGAGAGACGCTCTGTACCTAGACT 3 1 5' arm Drosophila_willistoni mirbase mir-306 2e-29 dwi-mir-306-2 2e-28 -22.9 .((.((((((..((((.((((((((((.....)))....))))))).))))..))))))))... (-22.90)