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 ACTCGGCGGCGAGTGTGTGTGT GCGCACACCGCCTCCGGTCG AGCGCTTCGCACTCGGCGGCGAGTGTGTGTGTGGGGAGGCAGCGCGCGCACACCGCCTCCGGTCGATACTCTA 1 2 5' arm Bombyx_mori mirbase 100 100 -36.2 ((.(..(((.((.(((.((((.(((((((((((.........))))))))))))))).))))))))..).)). (-36.20)