tokens: One enigmatic aspect of GATA factor expression is that several GATA proteins , which ostensibly share the same DNA-binding site specificity , are coexpressed in erythroid cells .
folded_tokens: one enigmatic aspect of gata factor expression is that several gata proteins , which ostensibly share the same dna-binding site specificity , are coexpressed in erythroid cells .
labels: O O O O B-protein_family_or_group I-protein_family_or_group O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O B-protein_domain_or_region I-protein_domain_or_region O O O O O O O O