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
TGAAGCTGCCAGCATGATCTT GATCATGTGGCAGTTTCACC CTCTATCAGTTGAAGCTGCCAGCATGATCTTAGCCTTCCTCCTTTGTTGAGGAAAGAAACAGATCATGTGGCAGTTTCACCTGTTGT  1 1 5' arm Populus_trichocarpa mirbase MIR167_1 5e-43 ptc-MIR167g 9e-29 -39.6 ......(((.(((((((((((.((((((((...(.((((((.......)))))).)....))))))))))))))))))).))).... (-39.60)