Only p50 NF-kappa B protein bound the kappa B element of interleukin-2 receptor ( IL-2R ) alpha chain promoter on resting T cells .
only p50 nf-kappa b protein bound the kappa b element of interleukin-2 receptor ( il-2r ) alpha chain promoter on resting t cells .
O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-protein_molecule I-protein_molecule O B-protein_molecule O O O O O O B-cell_type I-cell_type O