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 ATAGGACTTTCTATTTTGTGCT CACAAAATAAAAAGCCCGATAA GCGTTGCTATAGGACTTTCTATTTTGTGCTGTATTCTGAGGAGCACAAAATAAAAAGCCCGATAACAACGCATAAAACACG 3 0 5' arm Branchiostoma_floridae mirbase 100 bfl-mir-4875b 0.00001 -30 ((((((.(((.((.((((.(((((((((((.(.......).))))))))))).)))).)).))).)))))).......... (-30.00)