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 CGGAGAAGCAGGTCACGTGCG CNGAAAAATCTGANTTTTTCNATGAANAGAAATGGGGAGCGATGGGTTTTTTGTCCTCCTTGGAGCCGGAGAAGCAGGTCACGTGCG 9 27 3' arm Ipomoea_nil pmrd 100 100 -15.1 ..((((((((((..(((..(.((........)))..)))...))))))))))...((((........))))..(((.(...).))). (-15.10)