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 ATTAAGGGTGCGGGTGCGGCT CCCATTGGCTGATTCCCACATTAT AAAGAAGCCCATTGGCTGATTCCCACATTATTAAATTTTAGTAGTGATTAAGGGTGCGGGTGCGGCTTCAT 7 5 3' arm Picea_abies mirbase 100 100 -25.3 ...((((((((((.((.....(((.((((((((.....)))))))).....))).)).)))).)))))).. (-25.30)