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 TGAGGCACGAGGCGGCTCTGA AGAGTCACCTAGTACCTGAGG GAGCCCGCGCTGAGGCACGAGGCGGCTCTGAGACCGGCACCACTCAGAGTCACCTAGTACCTGAGGCGGCCGCCCG 4 0 5' arm Bombyx_mori mirbase 100 bmo-mir-306a 8e-38 -36.1 (.((((((.((.(((.((.(((.(((((((((..........))))))))).))).)).))).))))))..)).). (-36.10)