We have now characterized factors that bind to an enhancer region located between nucleotides -170 and -139 of the human IL-2Rbeta promoter .
we have now characterized factors that bind to an enhancer region located between nucleotides -170 and -139 of the human il-2rbeta promoter .
O O O O O O O O O O O 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 B-protein_molecule O O