tokens: An enhancer-blocking element ( BEAD-1 , for blocking element alpha/delta 1 ) was localized to a 2 . 0-kb region 3' of TCR delta gene segments and 5' of TCR alpha joining gene segments within this locus .
folded_tokens: an enhancer-blocking element ( bead-1 , for blocking element alpha/delta 1 ) was localized to a 2 . 0-kb region 3' of tcr delta gene segments and 5' of tcr alpha joining gene segments within this locus .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region 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 O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region 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 O O O O