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 ACTCGACCTGGAGGTCGAGTG CTCGACTTCCAGGTTGAGTGA AAGGTGAAGGCACTCGACCTGGAGGTCGAGTGATGTGATCGAGTGGTGTTAGAAGATAAACTCGACTTCCAGGTTGAGTGAAGTGG AGTAGTGGTCTGGGAGTGAAGGTGAAGGCACTCGACCTGGAGGTCGAGTGATGTGATCGAGTGGTGTTAGAAGATAAACTCGACTTCCAGGTTGAGTGAAGTGG 1 0 5' arm Arabidopsis_thaliana mirnest 100 100 -36.9 ..........(((((((((((((((((((((......(((..............)))..)))))))))))))))))))))...... (-36.9)