tokens: A conserved tissue-specific structure at a human T-cell receptor beta-chain core promoter .
folded_tokens: a conserved tissue-specific structure at a human t-cell receptor beta-chain core promoter .
labels: 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