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 ACCGCCGCCGTGTTCTGTCGA GATGGGGCGCGGCGGCGCGTTC GGCGGATGGGGCGCGGCGGCGCGTTCCTGTGACGCTTGTAAATCAGTTACCGCCGCCGTGTTCTGTCGAGTT 2 1 3' arm Arabidopsis_thaliana pmrd 100 100 -38 ....(((((((((((((((((.((..(((..((....))....)))..)))))))))))))))))))..... (-38.00)