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 CAACAACAACAAGAAGAAAAAGA TTTTTCTTCTCTTTTGGTTTGAA TTTTTTTCTTCTCTTTTGGTTTGAACATAGCACAGCAGTAGCAGCAGCACTCTCTCACAAGTCTCTCATGAACCATTCAACAACAACAAGAAGAAAAAGA 4 2 3' arm Oryza_sativa micropc 100 100 -16.5 ((((((((((((...(((..(((((........((.(((.((....))))))).......(..((....))..).)))))...)))..)))))))))))) (-16.50)