tokens: A cis-acting element ( P sequence ) resides in the 5' upstream region ; no additional DNA segments with enhancer activity were identified in the human IL-4 gene .
folded_tokens: a cis-acting element ( p sequence ) resides in the 5' upstream region ; no additional dna segments with enhancer activity were identified in the human il-4 gene .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O O O O B-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 O B-other_name I-other_name O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O