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
CGAGCCGAATCAATATCACT TGGTATTGATCCGGCTCTTC GAAGCAGACATGGCGTGGTATTGATCCGGCTCTTCTTCTGTATTTGCATCAGAAGTTTTTCGCTGAAGACGAGCCGAATCAATATCACTCTTGTACGCTTC  3 0 3' arm Populus_trichocarpa mirbase MIR171_2 2e-51 ptc-MIR171m 8e-48 -42.6 (((((..(((.((.(((((((((((.((((((.(((((.((....((.......)).....)).))))).)))))).))))))))))).)))))..))))) (-42.60)