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 TGATTGTCCAAACGCAAGCTCAG GCGATTGTGTCTGGACATCTCA ATGGCGTCTGTTTCGTGATTGTCCAAACGCAAGCTCAGTTTTAAAATACTGCGATTGTGTCTGGACATCTCAAATCAGAAGGCTGCTGTCTTCAAAAACCAA 4 1 5' arm Ciona_intestinalis mirbase mir-219 2e-30 csa-mir-219 0.000001 -32 .(((..........(.(((.(((((.((((((.(.((((........)))).).)))))).)))))))).)......((((((....)))))).....))). (-32.00)