tokens: The gene contains a proximal functional promoter region ( -620 to +34 ) , as well as a powerful enhancer located 3 kb upstream , both of which are involved in the response of the gene to TCR activation .
folded_tokens: the gene contains a proximal functional promoter region ( -620 to +34 ) , as well as a powerful enhancer located 3 kb upstream , both of which are involved in the response of the gene to tcr activation .
labels: O O O O B-DNA_domain_or_region I-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 I-DNA_domain_or_region O O O O O O O B-DNA_domain_or_region O O O O O O O O O O O O O O O O O B-protein_family_or_group O O