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
AGATTGAGCCGCGCCAATATC TGTTGGTGAGGTTCAATCCGA AAAAGAAAGCGATGTTGGTGAGGTTCAATCCGAAGACAGATTTACACGAGTGAAAGTAAAATCCGATCTCAGATTGAGCCGCGCCAATATCACTTTTCAG  2 0 3' arm Populus_trichocarpa mirbase MIR171_1 1e-43 ptc-MIR171c 6e-30 -38.1 ....(((((.((((((((((.(((((((((.((.(((.(((((..((........)).))))).).)))).))))))))).)))))))))).)))))... (-38.10)