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 AAGGGTGTTAAATGAAGACTTAT AGGAAATCGTTTGAATGCTCGTCT CCACGGTGAAAAGGGTGTTAAATGAAGACTTATTAGGGCTTCGGGCATATCGAAGAAAAACAGGAAATCGTTTGAATGCTCGTCTAATGGA 7 1 5' arm Bombyx_mori mirbase mir-2780 1e-34 bmo-mir-2780a-2 2e-33 -19.42 (((....((...(((((((((((((...(((.......((((((.....))))))......)))...))))))).)))))).))...))). (-19.42)