tokens: To define the regions of the gene required for transcription activation , we generated a series of reporter constructs containing different regions of the IL-3 gene 5' and 3' flanking sequences .
folded_tokens: to define the regions of the gene required for transcription activation , we generated a series of reporter constructs containing different regions of the il-3 gene 5' and 3' flanking sequences .
labels: O O O O O O O O O O O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O