tokens: An element termed E1 located at -108 to -95 nt relative to the major transcription start site was found to be critical for the promoter activity .
folded_tokens: an element termed e1 located at -108 to -95 nt relative to the major transcription start site was found to be critical for the promoter activity .
labels: O O O B-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 O O O O O O O O O O O B-other_name I-other_name O