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 mirbase 100 aly-MIR173 2e-17 -43.07 (((((.((((((((((((.((((((.((((((.((.........(((.((....))))).........)).)))))))))))).)))))))))))).))))) (-43.07)