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
TGGAGAAGCAGGGCACGTGCA CACGTGCTCCCCTTCTCCAAC TAGCTCTTGCTGGAGAAGCAGGGCACGTGCAAGCTCTCTCCTCAAGCTTTCCTTGCACGTGCTCCCCTTCTCCAACATGGGT  2 0 5' arm Populus_trichocarpa mirbase MIR164 4e-40 vvi-MIR164a 0.00000000006 -40.4 ..((((.((.((((((((..(((((((((((((....((.....)).....)))))))))))))..)))))))).)).)))) (-40.40)