tokens: In particular , a high-affinity BSAP-binding site instead of a TATA sequence is located in the -30 promoter region upstream of a cluster of heterogeneous transcription start sites .
folded_tokens: in particular , a high-affinity bsap-binding site instead of a tata sequence is located in the -30 promoter region upstream of a cluster of heterogeneous transcription start sites .
labels: 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 O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-DNA_substructure I-DNA_substructure I-DNA_substructure I-DNA_substructure O