tokens: We found that the relative efficiency of the enhancers is approximately the same , irrespective of the type of promoter used , i . e . , there was no strong preference for any given enhancer/ promoter combination .
folded_tokens: we found that the relative efficiency of the enhancers is approximately the same , irrespective of the type of promoter used , i . e . , there was no strong preference for any given enhancer/ promoter combination .
labels: O O O O O O O O B-DNA_family_or_group O O O O O O O O O O B-DNA_domain_or_region O O O O O O O O O O O O O O O B-other_name B-DNA_domain_or_region O O