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 CTCGACTTCCAGGTTGAGTGA ACTCGACCTGGAGGTCGAGTG GAAGGCACTCGACCTGGAGGTCGAGTGATGTGATCGAGTGGTGTTAGAAGATACTCGACTTCCAGGTTGAGTGAAGT GAGTAGTGGTCTGGGAGTGAAGGTGAAGGCACTCGACCTGGAGGTCGAGTGATGTGATCGAGTGGTGTTAGAAGATACTCGACTTCCAGGTTGAGTGAAGTGG 1 0 3' arm Arabidopsis_thaliana mirnest 100 100 -36.5 .....((((((((((((((((((((((.((..(((....)))..)).....)))))))))))))))))))))).... (-36.5)