Analysis of CD40 cytoplasmic domain truncation and point mutants defined a 10-amino acid CD40 cytoplasmic signaling determinant required for NF-kappa B activation .
analysis of cd40 cytoplasmic domain truncation and point mutants defined a 10-amino acid cd40 cytoplasmic signaling determinant required for nf-kappa b activation .
O O B-protein_molecule O O O O O O O O B-protein_domain_or_region I-protein_domain_or_region B-protein_molecule O O O O O B-protein_complex I-protein_complex O O