tokens: To analyze the regulatory mechanisms controlling p27Kip1 gene expression , we characterized the 5'-flanking region from nt -1609 to +178 .
folded_tokens: to analyze the regulatory mechanisms controlling p27kip1 gene expression , we characterized the 5'-flanking region from nt -1609 to +178 .
labels: O O O B-other_name I-other_name O B-DNA_domain_or_region O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O