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 GGCTATATTCTTTAGACGTTGT GACATCTTAAGGATATAGCATA CTTGAGGATAGGCTATATTCTTTAGACGTTGTATAGTATGTTTTCAAGACATCTTAAGGATATAGCATATCCTTGAGAC 5 0 5' arm Branchiostoma_floridae mirbase 100 bfl-mir-4885b 1e-24 -30.6 ((..((((((.(((((((((((.(((.(((....((.....))....))).))).))))))))))).))))))..)).. (-30.60)