Both NF-kappa B precursors and I kappa B alpha became strongly phosphorylated with the same kinetics .
both nf-kappa b precursors and i kappa b alpha became strongly phosphorylated with the same kinetics .
O B-protein_molecule I-protein_molecule O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O