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 GTGTGCGGAAATGCTTCTGCTA GTGGAAACATTTCTGCACAAACTAGATTCTG TATAAATCTAGTGGAAACATTTCTGCACAAACTAGATTCTGGACACCAGTGTGCGGAAATGCTTCTGCTACATTTTTAGG 3 9 3' arm Pongo_pygmaeus mirbase mir-147 1e-18 hsa-mir-147b 4e-40 -28.5 ((.((((.(((..(((.((((((((((((.........((((...)))))))))))))))).)))..))).)))).)).. (-28.50)