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 TGCCGGGGCAACTAAAACTCTG GAGTTTTGTTACCCCGGCTCT TTTTCGTATGCGGTGCCGGGGCAACTAAAACTCTGAGTTCTCTTAGCCTCAGAGTTTTGTTACCCCGGCTCTCTGTGGGACCA 2 1 5' arm Branchiostoma_floridae mirbase 100 bfl-mir-4872a 0.00000000002 -38.3 ...((.((((.((.(((((((.(((.(((((((((((..........)))))))))))))).))))))).)).)))).))... (-38.30)