T cell receptor ( TCR ) cross-linking is in part required for activation of NF-kappaB , which is dependent on the phosphorylation and degradation of IkappaBalpha .
t cell receptor ( tcr ) cross-linking is in part required for activation of nf-kappab , which is dependent on the phosphorylation and degradation of ikappabalpha .
B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group O O O O O O O O O B-protein_complex O O O O O O B-other_name O O O B-protein_molecule O