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
AGCGGGCACAGCTGTGAGAGCC CTGCAGCGTGATCGCCTGCTCA CTGATTCTGCCTGCGTGGAGCGGGCACAGCTGTGAGAGCCCCCTAGGTACAGCGGGGCTGCAGCGTGATCGCCTGCTCACGCACAGGAAGTGACGACAG  1 6 5' arm Mus_musculus mirbase  100 mmu-mir-666 2e-51 -47.3 (((..((..((((.(((((((((((.(((((((...((((((((......)).))))))))))).))...)))))))).))).))))....))...))) (-47.30)