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 TGAAGAGGACTTGGAACGTTC ACGTTCTAACACCGCCACTG TGAAGAGGACTTGGAACGTTCCGAAGAACGTTCTAACACCGCCACTG 8 0 5' arm Oryza_sativa pmrd 100 100 -15.6 ......((..(((((((((((....)))))))))))..))....... (-15.60)