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 TTCGCTTGCAGAGAGAAATCAC GATTCTCTGTGTAAGCGAAAG TAAGTACTTTCGCTTGCAGAGAGAAATCACAGTGGTCAAAAAAGTTGTAGTTTTCTTAAAGTCTCTTTCCTCTGTGATTCTCTGTGTAAGCGAAAGAGCTTG 1 1 5' arm Arabidopsis_thaliana pmrd 100 ath-MIR173 4e-53 -43.07 (((((.((((((((((((.((((((.((((((.((.........(((.((....))))).........)).)))))))))))).)))))))))))).))))) (-43.07)