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
ATGTTGGCAGAGCTCAATCA ATTGAGCCGTGCCAATATCG AATTTGATGTTGGCAGAGCTCAATCAAATCAAAGCACTCAATGGTTGGGTTCTTTCATCTGATTGAGCCGTGCCAATATCGCATT  2 0 5' arm Populus_trichocarpa pmrd MIR171_1 1e-37 ptc-MIR171e 4e-43 -37.8 .....((((((((((..(((((((((.((.((((.(((((.....))))).)))).)).)))))))))..))))))))))..... (-37.80)