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 TATCTCTCCTACGTAGCAATC TTGCTTCGCAGGAGAGATAGC AAGATTTGCTTCGCAGGAGAGATAGCGCCATCACCTCTTCTAAGAAGTTAACTAGTGGTGACGGTATCTCTCCTACGTAGCAATCCTT 4 0 3' arm Arabidopsis_thaliana pmrd 100 ath-MIR391 7e-45 -37.5 (((..(((((.((.((((((((((.((.((((((..((((...)))).......)))))).)).)))))))))).)).)))))..))) (-37.50)