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 TTGGATTACGCCCTCTGACACCTC GGTGCAGAGACATTCGGAGTGAACTG GGTTTGAGGAGTTGGATTACGCCCTCTGACACCTCCCGATGGAATGCAACCATCGAGGGTGCAGAGACATTCGGAGTGAACTG 5 7 5' arm Bombyx_mori mirbase 100 100 -26.9 .............((.((((.(((((((.(((((..((((((.......)))))).))))))))))......)).)))).)). (-26.90)