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
TGAGGTAGTAGATTGTATAGTT CTATACAGTCTACTGTCTTTCC TGTGGGATGAGGTAGTAGATTGTATAGTTTTAGGGTCATACCCCATCTTGGAGATAACTATACAGTCTACTGTCTTTCCCACG  3 0 5' arm Mus_musculus mirbase let-7 3e-35 mml-let-7f-2 6e-42 -40.7 .((((((.(((..((((((((((((((((...(((.....))).(((.....)))))))))))))))))))..))))))))). (-40.70)