I kappa B-alpha inhibits transcription factor NF-kappa B by retaining it in the cytoplasm .
i kappa b-alpha inhibits transcription factor nf-kappa b by retaining it in the cytoplasm .
B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_family_or_group I-protein_family_or_group B-protein_molecule I-protein_molecule O O O O O B-cell_component O