tokens: These findings reveal the features controlling the pp52 promoter in B and T cells and provide the foundation for determining the regulation of this promoter in other leukocyte lineages .
folded_tokens: these findings reveal the features controlling the pp52 promoter in b and t cells and provide the foundation for determining the regulation of this promoter in other leukocyte lineages .
labels: O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O O O O B-DNA_domain_or_region O O B-cell_type I-cell_type O