In contrast , the binding of the nuclear factor of activated T cells ( NF-AT ) to its response element in the IL2 enhancer and to an NF-AT -like response element present in the IL4 enhancer was abnormal .
in contrast , the binding of the nuclear factor of activated t cells ( nf-at ) to its response element in the il2 enhancer and to an nf-at -like response element present in the il4 enhancer was abnormal .
O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule B-cell_type B-cell_type I-cell_type O B-protein_molecule O O O O O O O B-DNA_domain_or_region O O O O B-protein_molecule O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O