Tax activation of the CD28RE is partially mediated by a member of the nuclear factor of activated T cells , NF-AT1 .
tax activation of the cd28re is partially mediated by a member of the nuclear factor of activated t cells , nf-at1 .
B-protein_molecule O O O B-DNA_domain_or_region O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O