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
CAGCCAAGGATGACTTGCCGA GGCAGGTTTTCCTTGGCTACA AAGTTTGATGCAGCCAAGGATGACTTGCCGACGACTCAATTTTTGCTTCCATATGGTAGAAGAGATGAATAGGTTGGCAGGTTTTCCTTGGCTACATTTTCC  2 0 5' arm Populus_trichocarpa mirbase MIR169_2 6e-52 ptc-MIR169b 0.000000000005 -43 ......((((.(((((((((.(((((((((((.(.(((.(((((.((.((....)).))))))).))).)..))))))))))).))))))))).)))).... (-43.00)