63% nucleotide identity with a more conserved core of 169 base pairs ( 86% identity ) .
63% nucleotide identity with a more conserved core of 169 base pairs ( 86% identity ) .
O B-other_name I-other_name O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O