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 TCAGCTCCAGCTGTGATGAGTGA CCTCATCACACCGGAAGCTGTTA TAAGCGTGTCGGCTTCCCTCATCACACCGGAAGCTGTTACGTCACTTCCGCTGTATCAGCTCCAGCTGTGATGAGTGAAGGGGCATGCACA 3 2 3' arm Branchiostoma_floridae mirbase 100 bfl-mir-4868a 0.00000000000007 -41.9 ...(((((((..((((.((((((((((.(((.((((.((((.(......).)))).))))))).).))))))))).)))).)))))))... (-41.90)