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 TGCCAAAGGAGATTTGCCCGG GGGCAAGATCTCTATTGGCAGA ACAGGGCAAGATCTCTATTGGCAGAAAACCATTACTTAGATCTTTGCATCTCTTTCTGCATTGATTTGTAGTGAGTTCTCTGCCAAAGGAGATTTGCCCGGT 3 1 3' arm Brassica_napus pmrd mir-399 3e-29 bna-MIR399 4e-53 -49.6 ...(((((.(((((((.((((((((.(((((((((..(((((..((((........))))..))))))))))).))).)))))))).))))))))))))... (-49.60)