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 TAGCCAAGGACGACTTGCCCA GGCAAGCACCTTGGCTAGC CCTGTTTGGTAGCCAAGGACGACTTGCCCACCACCATCTTAGTTGGGTCCAGTATATTACTGGGCACCTTCCATTTGGTTTTGGGCAAGCACCTTGGCTAGCTGACA 1 2 5' arm Populus_trichocarpa pmrd MIR169_5 7e-55 ptc-MIR169af 4e-56 -52.16 ...(((.(.(((((((((..(.((((((((..((((........((((((((((...)))))))).)).......))))..))))))))).))))))))).).))). (-52.16)