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 TTGTAGTGCATGTTTGTT TAAGCATTTGCCTATGTAA GATAAGCATTTGCCTATGTAAGTATTCTTCACCTCTATTGTAGTGCATGTTTGTT 1 3 3' arm Helianthus_tuberosus micropc 100 100 0 ((((((((..((((((((..((............))..))))).))))))))))) ( -9.20)