tokens: In vivo the Sp1 site is bound only in myeloid ( U937 ) cells , not in cervical carcinoma ( HeLa ) cells .
folded_tokens: in vivo the sp1 site is bound only in myeloid ( u937 ) cells , not in cervical carcinoma ( hela ) cells .
labels: O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O B-cell_line I-cell_line B-cell_line O O O O O B-cell_line I-cell_line I-cell_line B-cell_line O O O