tokens: The electrophoretic mobility shift assay with extracts of COS cells expressing GATA-binding proteins showed that GATA-4 has the highest binding affinity to the -70 GATA site among the three GATA-binding proteins .
folded_tokens: the electrophoretic mobility shift assay with extracts of cos cells expressing gata-binding proteins showed that gata-4 has the highest binding affinity to the -70 gata site among the three gata-binding proteins .
labels: O B-other_name I-other_name I-other_name I-other_name O O O B-cell_line I-cell_line O B-protein_family_or_group I-protein_family_or_group O O B-protein_molecule O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-protein_family_or_group I-protein_family_or_group O