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 AAAGTTCAGTCTTCATAGTATC AATTATGAGAATGACTTTTCTGGTGAAGTCAACACTATAGTAT ATGGTGAAATTATGAGAATGACTTTTCTGGTGAAGTCAACACTATAGTATTAAAAGTGTAGTGAGTAGCACCCCACTGTTTATAAAGTTCAGTCTTCATAGTATCATCAA 8 21 3' arm Medicago_truncatula mirbase 100 100 -28.2 .((((((.((((((((..(((((((......)))))))..(((....(((....((((..(((.....)))..))))....))).)))......)))))))).)))))). (-28.20)