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 AAGACCTCACCTAACAGCTTAAGC CAAAGAGGGGGCAAGGAAAGGG GGCAGTCAAAGAGGGGGCAAGGAAAGGGGAGAATTATGTTACTGTCACTTGGCTGTTATTCGTAGAACTAGAATGACATTGAGGGTGTTAGAGAATAATATAAATCATATTCTAAGACCTCACCTAACAGCTTAAGCTATT 11 2 3' arm Populus_trichocarpa pmrd 100 ptc-MIR481d 3e-76 -29.9 ...(((..(((...(((..(((....((((((.(((((((((((.(((((...((((((((.........))))))))....))))).)))....)))))))).))...))))....)))..))).....)))..)))... (-29.90)