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 TGAAGAAGACTTGGAGCTTCGA GCAGGCACCAGTAGAGTTCCTC TGAAGAAGACTTGGAGCTTCGACTTGGACTGACAGTTCCAGGAAGGACATCAGCAGACCCCAATCCCCGTCGCAGGCACCAGTAGAGTTCCTC 6 2 5' arm Picea_sitchensis pmrd 100 100 -21.9 .(((....(((.((.((((((((..(((((((..((((......)))).))))..........)))..)))).)))).)))))....)))... (-21.90)