tokens: Furthermore , a positive regulatory element was found 45 bp downstream of the NRE .
folded_tokens: furthermore , a positive regulatory element was found 45 bp downstream of the nre .
labels: O O O B-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 O O B-DNA_domain_or_region O