tokens: Disruption of a GATA motif in the Duffy gene promoter abolishes erythroid gene expression in Duffy-negative individuals .
folded_tokens: disruption of a gata motif in the duffy gene promoter abolishes erythroid gene expression in duffy-negative individuals .
labels: O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O O B-multi_cell I-multi_cell O