tokens: Structural analysis demonstrated that the mouse CPO gene spans approximately 11 kb and consists of seven exons , just like its human counterpart .
folded_tokens: structural analysis demonstrated that the mouse cpo gene spans approximately 11 kb and consists of seven exons , just like its human counterpart .
labels: B-other_name I-other_name O O O B-DNA_domain_or_region B-protein_molecule O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O