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 ATTTGCGAGGGAATTGCAAGA TTGTGGTCCCCGCAAATTT GGATTGTGGTCCCCGCAAATTTTGCGATGGAATAGGTTTCTCGCAAAATTTGCGAGGGAATTGCAAGA TTTTTTTTTTTTTTTTTTTTTTTTTTTTGGATGTCTACTGATTTCATACATGTTTTTATATGTTTACTGAAAATCAAATTAAAATCACCATAAAAATAAATCAGCATAAAATTTGTAAATGAAAAAACAAAAAAGACTCGCAACAGACTTGCAAATCCCTAGCAAATGTTGCGAGGGAAGTGCTACACTTATGTTTTGCGAGGGATTGTGGTCCCCGCAAATTTTGCGATGGAATAGGTTTCTCGCAAAATTTGCGAGGGAATTGCAAGATATTAAATTTGCGAGCCGCGATTTGCGAGCAATGACGTGGCGTAACAATTCTCTTGCTATACGCATTTTGCGACGGATTTACGAAAAAACTTTCCCTCGTAAAATACGTGTTTTCTTGTAGTGGGTGGACTTCAAACTGAAAGCCTCGCTTAA 3 2 3' arm Arabidopsis_thaliana mirnest 100 100 -31.6 ...(((((.((((((((((((((((((.(((.....))).)))))))))))))).))))..))))).. (-31.6)