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 TGCCAAAGGAGAGCTGCCCTA GGGCATGTCTCTATTGGCAGG AGTCATAGGGCATGTCTCTATTGGCAGGTGATATGGTGATATTTCATTTGACTTTAAGGCTCTAGAAATTCACTTGCCAAAGGAGAGCTGCCCTACGAGT 3 0 3' arm Medicago_truncatula mirbase mir-399 0.00008 mtr-MIR399d 1e-49 -39.9 ..((.(((((((..(((((.(((((((((((...(((((....))))).((((....)).)).......))))))))))).)))))..))))))).)).. (-39.90)