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 CGTCCGCCTGCGAAGATAAT AATCTTCGCAGGCGGGGCGGC CGAAAAGAATCTTCGCAGGCGGGGCGGCTGTCCGCCTGTAAGCTAACGACTGTGAAGATCGCCGATCTTCGCAGGCGGGGCGGCCGTCCGCCTGCGAAGATAATTTTCG 2 1 3' arm Oryza_sativa pmrd 100 100 -70.3 ((((((..(((((((((((((((.(((((((((((((((.(((....).))..(((((((...))))))))))))).))))))))))))))))))))))))..)))))) (-70.30)