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 GGTTCGTACGTACACTGTTCA AACCCGGTTTGTACGTATGGACCGC CGAAACTGAACCCGGTTTGTACGTATGGACCGCGTCGTTGGAATCCAAAAGAACCAGGTTCGTACGTACACTGTTCATCG 0 4 3' arm Arabidopsis_thaliana mirbase 100 100 -27.9 (((...(((((..(((..(((((((((((((...((.((((...))))..))....)))))))))))))))))))))))) (-27.90)