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
TGAGGTAGGAGGTTGTATAGTT CTATACGGCCTCCTAGCTTTCC CGCGCCCCCCGGGCTGAGGTAGGAGGTTGTATAGTTGAGGAAGACACCCGAGGAGATCACTATACGGCCTCCTAGCTTTCCCCAGGCTGCGCC  3 0 5' arm Rattus_norvegicus mirbase let-7 1e-34 mmu-let-7e 7e-48 -45.9 .((((..((.(((..(((.((((((((((((((((.((......(......)....)))))))))))))))))).)))..))).))..)))). (-45.90)