However , CsA and FK506 inhibit the appearance of DNA binding activity of factors that bind to the NF-AT and AP-1 sites in the IL-2 enhancer .
however , csa and fk506 inhibit the appearance of dna binding activity of factors that bind to the nf-at and ap-1 sites in the il-2 enhancer .
O O B-other_organic_compound O B-other_organic_compound O O O O B-other_name I-other_name I-other_name O O O O O O B-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_molecule O O