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 CACTCGACCCCCTGGTCGAGTA CTCGACCACGAGGTCGAGTAGA ACCACTCGACCACGAGGTCGAGTAGATGACTTCACCACTTCACAACACCACTCGACCCCCTGGTCGAGTAGT 4 0 3' arm Arabidopsis_thaliana pmrd MIR854 0.0000009 100 -28.73 ((.(((((((((.(.((((((((.(.((.................))).)))))))).).))))))))).)) (-28.73)