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 AAGCAGCAGTGTGCAGTGGTGA ACTGCTGCATCCTGCTGCCTTGG TGGTGCCAGCGCCCCTGACTGCTGCATCCTGCTGCCTTGGGGAATATCAACCACCAAGCAGCAGTGTGCAGTGGTGAGGGTG 5 1 3' arm Branchiostoma_floridae mirbase 100 100 -46 .((((....))))(((.((..(((((..(((((((.((((((........)).)))))))))))..)))))..)).)))... (-46.00)