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
CTGTACAGCCTGCTAACTTTCCC TTGAGGTAGTAGGTTGTATAGTA GTCTGTTTGAGGTAGTAGGTTGTATAGTAAGTATTACACCTATTGGGAGTGCTGTACAGCCTGCTAACTTTCCCAGAC  4 0 3' arm Tribolium_castaneum mirbase let-7 1.0E-36 tca-let-7 5.0E-39 -33.6 (((((...(((.(((((((((((((((((.........((....))...))))))))))))))))).)))...))))) (-33.60)