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 CCTACTCCTCCCATTCC AGATGGGAGAGTATGCA GGAGATGGGAGAGTATGCAAGAAGAAAAAATTCATGATTTAATATTCCTTCTTGCCTACTCCTCCCATTCC 1 2 3' arm Populus_deltoides micropc 100 ptc-MIR482 4e-30 -28.2 ((((.((((((((((.((((((((.......................)))))))).)))).)))))))))) (-28.20)