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
TGTGTTCTCAGGTCGCCCCTG GGAGCGACCTGAAATCACATG CAGGAGCGACCTGAAATCACATGTGGGCTGCACGGCAACATGTGTTCTCAGGTCGCCCCTG  4 0 3' arm Populus_tremula_x_Populus_alba micropc MIR398 1e-27 ptc-MIR398c 0.000000000003 -37.2 ((((.(((((((((...(((((((..(((....))).)))))))...))))))))).)))) (-37.20)