tokens: The Sp1 site also co-localizes with a DNase I hypersensitive site .
folded_tokens: the sp1 site also co-localizes with a dnase i hypersensitive site .
labels: O B-protein_molecule O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O