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
TGTGATATTGGTCCGGCTCATC TCTTCACTCATGAAGACGAGCCGAATCAATATCACTCT GGTGTGATATTGGTCCGGCTCATCTTCTGTGCATAAGCATCTGAAGTTCTTCACTCATGAAGACGAGCCGAATCAATATCACTCT  4 0 5' arm Populus_trichocarpa pmrd MIR171_2 7e-42 ptc-MIR479 4e-43 -38.8 ((.(((((((((((.((((((..((((.((((....))))..)))).((((((....)))))).)))))).))))))))))).)) (-38.80)