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 GGTGTCGATAGACACCATCT GTGAGTCAATCGACACCAT AGAGGTGAGTCAATCGACACCATCGTGTGGAATCTTCTCAGAGAAGATTTTTTCATAGGGTGTCGATAGACACCATCTCT 2 1 3' arm Arabidopsis_thaliana pmrd 100 100 -37.8 (((((((.(((.(((((((((...(((.(((((((((.....)))))))))..)))..))))))))).)))..))))))) (-37.80)