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 AGGGGCTAAATTGCCTGCCA GCAGTGATCGCAAGTTAGTGCCCTGT TGGCAGTGATCGCAAGTTAGTGCCCTGTTGTTTTGCATATACAGGGGCTAAATTGCCTGCCA 2 6 3' arm Ciona_intestinalis mirbase 100 cin-mir-4008c 1e-29 -25.3 .(((((.....((((.(((((.((((((((.....))...))))))))))).))))))))). (-25.30)