tokens: Analysis of the sequence immediately upstream from the transcription initiation site ( TIS ) showed no canonical TATA or CAAT elements , however an initiator element commonly found in TATA -less promoters encompassed the TIS .
folded_tokens: analysis of the sequence immediately upstream from the transcription initiation site ( tis ) showed no canonical tata or caat elements , however an initiator element commonly found in tata -less promoters encompassed the tis .
labels: O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region O O O O B-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-DNA_domain_or_region O O O O B-DNA_domain_or_region O