tokens: We have systematically analyzed the functional roles of these factor binding motifs of HS-40 by site-directed mutagenesis and transient expression assay in erythroid cell cultures .
folded_tokens: we have systematically analyzed the functional roles of these factor binding motifs of hs-40 by site-directed mutagenesis and transient expression assay in erythroid cell cultures .
labels: O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region O B-other_name I-other_name O B-other_name I-other_name I-other_name O B-cell_line I-cell_line I-cell_line O