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 AGAATCCTGATGATGCTGCAT GCAGTACCGGAGGGAGGAGGC GGCAGTACCGGAGGGAGGAGGCCGATGGGGCGGTGGTGGCATCTGTCGTGGCGGTGTTGGAGAATCCTGATGATGCTGCAT 9 0 3' arm Zea_mays pmrd 100 bdi-MIR172d 0.0000002 -29.5 .((((((.((..((((.....(((((...((.((..((((....))))..)).)))))))....))))..)).)))))).. (-29.50)