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 CAGCCAAGGATGACTTGCCGG GGCAGGTTGTCCTTGGCTAAA GAGTAGAATGCAGCCAAGGATGACTTGCCGGCATTTCCTCCTAGGTAGCTAGCAAGCCTTCTATTTGGCATGCCTGTCCGGCAGGTTGTCCTTGGCTAAATTTTGT 3 0 5' arm Populus_trichocarpa mirbase MIR169_2 3e-54 ptc-MIR169d 3e-23 -50.8 ...((((((..(((((((((..(((((((((((...((.....))......(((.(((........))).))).)).)))))))))..)))))))))..)))))). (-50.80)