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 TTTGGCGCTATCCATCCTGA AGGAGGGATAGCGCCATGAT AAGCTCAGGAGGGATAGCGCCATGATGATCACATTCGTTATCTATTTTTTGGCGCTATCCATCCTGAGTTT 3 0 3' arm Arabidopsis_thaliana pmrd MIR390 1e-33 ath-MIR390a 7e-35 -39.5 ((((((((((.(((((((((((.((((((.((....)).))).)))...))))))))))).)))))))))) (-39.50)