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
TTCCACAGCTTTCTTGAACT TTCATGGAGAGCTTCGAAGC TTCATGGAGAGCTTCGAAGCTTCGAAATATATTTTTTGGCGTGTTTGTATGTGACCCTCTTTGTATTCTTCCACAGCTTTCTTGAACT  4 2 3' arm Populus_tremula_x_Populus_tremuloides micropc MIR396 0.000000005 tcc-MIR396b 0.000000000001 -17.9 ((((.((((((((..((((......((((((......((((..(....)..)).)).....))))))))))...)))))))))))).. (-17.90)