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 TGCAGAGCTTGTGCGATTGGCGC GCCACACGCGAGCTCTTCATC GTGTGGGGTGCAGAGCTTGTGCGATTGGCGCTTGACGACGAAGAGCGCCACACGCGAGCTCTTCATCCCAACC 2 2 5' arm Branchiostoma_floridae mirbase 100 100 -41.3 ...(((((((.((((((((((.(..((((((((.........))))))))).)))))))))).)))))))... (-41.30)