It contains a core sequence CTTGG . . . CCAAG which is present as part of larger palindromic sequences in each gene .
it contains a core sequence cttgg . . . ccaag which is present as part of larger palindromic sequences in each gene .
O O O B-DNA_domain_or_region I-DNA_domain_or_region B-polynucleotide I-polynucleotide I-polynucleotide I-polynucleotide I-polynucleotide O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O O O O