Similar constructs controlled by NF-kappa B or the entire interleukin-2 enhancer show bimodal expression patterns during induction , suggesting that thresholds set by the concentration of transcription factors may be a common property of inducible genes .
similar constructs controlled by nf-kappa b or the entire interleukin-2 enhancer show bimodal expression patterns during induction , suggesting that thresholds set by the concentration of transcription factors may be a common property of inducible genes .
O O O O B-protein_molecule I-protein_molecule O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-other_name I-other_name I-other_name O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O B-DNA_family_or_group I-DNA_family_or_group O