tokens: Finally , we did genomic footprinting of the HS-40 enhancer region in K562 cells , adult nucleated erythroblasts , and different nonerythroid cells .
folded_tokens: finally , we did genomic footprinting of the hs-40 enhancer region in k562 cells , adult nucleated erythroblasts , and different nonerythroid cells .
labels: 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-cell_line I-cell_line O B-cell_line I-cell_line I-cell_line O O O B-cell_type I-cell_type O