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 AGAATCCTGATGATGCTGCAC GTAGCCAATCATGTGAAGGAACAGCA CTGTAGCCAATCATGTGAAGGAACAGCAGCTGAAATTATTTGGGGTGAGAATCCTGATGATGCTGCAC 6 5 3' arm Picea_sitchensis pmrd mir-172 0.00001 sbi-MIR172f 0.0000008 -18.1 .((((((..(((((....((((....((.((.((.....)).)).))....)))).))))))))))). (-18.10)