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 TGGAGAAGCAGGGCACATGCT CATGTGCTCTTGCTCTCCATC CACGTTGGAGAAGCAGGGCACATGCTTGATTTTATCAAAGTTCTGAGCATGTGCTCTTGCTCTCCATCATGG 0 2 5' arm Medicago_truncatula mirbase MIR164 3e-34 rco-MIR164d 0.000003 -34.5 ((.(.((((((.((((((((((((((((((((.....)))))..)))))))))).))))))))))).).)). (-34.50)