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 CGTTGGGTCCCGCTGCCAAGC CGGGCAGGAGGGCCCAACATT AGGTCATGCCGGGCAGGAGGGCCCAACATTGTTGACTCCTTTTGGAAGTGTTTTGGTCTGGTTGTCACGTTGGGTCCCGCTGCCAAGCTAGACTT 5 0 3' arm Populus_trichocarpa pmrd MIR474 2e-18 100 -39.1 (((((..((..(((((..(((((((((.....((((.((..(..((.....))..)...))..)))).)))))))))..)))))..))..))))) (-39.10)