tokens: To assess the tissue-specific regulation of the CPO gene promoter , mouse genomic DNA clones for CPO were isolated .
folded_tokens: to assess the tissue-specific regulation of the cpo gene promoter , mouse genomic dna clones for cpo were isolated .
labels: O O O B-other_name I-other_name O O B-protein_molecule O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O B-protein_molecule O O O