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 TGAGTACCCGCTGCGCCCGAGAGAG GTTTCTGCGCGTTTTGTTCATT TTACATGTGAAAATGAGTACCCGCTGCGCCCGAGAGAGAGCAGGTTGATTTTACGATCCTTATATAGTTTCTGCGCGTTTTGTTCATTTTATATGTAC 6 3 5' arm Bombyx_mori mirbase 100 100 -21.72 .(((((((((((.((((((...((.((((..((((......((((((......))).))).......)))).))))))..))))))))))))))))). (-21.72)