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
ATCGGCAACGACGCAGTTTTTGCTG GCGACATAGTTTTGGCTCCGATTT GAATCAGCAGCGACATAGTTTTGGCTCCGATTTTTGAATCAACAACGATATAGTTTGGCTGTCGATTTCTGAATCGGCAACGACGCAGTTTTTGCTGTCGGTTT  6 1 3' arm Populus_trichocarpa pmrd  100  100 -31.2 (((((.(((((((.((.((.(((...(((((((..(((((.(((.(((......)))..))).)))))..)))))))...))).)).))..))))))).))))) (-31.20)