A nucleotide substitution within a recently described OAP40 element located just upstream of an NF-AT site ( P sequence ) appears to be largely responsible for the increased promotor strength of this particular allelic form of the IL-4 promoter .
a nucleotide substitution within a recently described oap40 element located just upstream of an nf-at site ( p sequence ) appears to be largely responsible for the increased promotor strength of this particular allelic form of the il-4 promoter .
O B-other_name I-other_name O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O O O O O O O B-protein_molecule O O