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 TGACAGAAGAGAGTGAGCGC GTCTTGTACTTGTGTTG TGACAGAAGAGAGTGAGCGCGCAATCCGAGTCTTGTACTTGTGTTG 6 3 5' arm Populus_tremuloides pmrd 100 zma-MIR156g 0.0004 0 .((((.(((...(..(((.((.....)).).))..).))).)))). ( -7.80)