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 TTCGTTGTCAACGAAACCTGCA TGGGTTTCGTGACAGGCGAGCC GGGAATGGATGCAAACGTCTGGGTTTCGTGACAGGCGAGCCGTTCTTTACGACTTGGTTCGTTGTCAACGAAACCTGCACGATCTGCAACCAAA 1 2 3' arm Apis_mellifera mirbase 100 spu-mir-981 0.00002 -40.8 .....(((.((((..(((.(((((((((((((((.(((((((.((.....))..)))))))))))).)))))))))).)))...)))).))).. (-40.80)