tokens: Finally , by co-transfection experiments , we study the elements involved in the hGATA-1 transactivation of the R-PK promoter in HeLa cells .
folded_tokens: finally , by co-transfection experiments , we study the elements involved in the hgata-1 transactivation of the r-pk promoter in hela cells .
labels: O O O B-other_name I-other_name O O O O O O O O B-other_name I-other_name O O B-DNA_domain_or_region I-DNA_domain_or_region O B-cell_line I-cell_line O