tokens: An enhancer-blocking element between alpha and delta gene segments within the human T cell receptor alpha/delta locus .
folded_tokens: an enhancer-blocking element between alpha and delta gene segments within the human t cell receptor alpha/delta locus .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O