tokens: Mutational analyses of I kappa B alpha and competition experiments with the synthetic peptides identified major phosphorylation sites by the bound kinase as Ser and Thr residues in the C-terminal acidic domain of I kappa B alpha .
folded_tokens: mutational analyses of i kappa b alpha and competition experiments with the synthetic peptides identified major phosphorylation sites by the bound kinase as ser and thr residues in the c-terminal acidic domain of i kappa b alpha .
labels: O O O B-protein_molecule I-protein_molecule I-protein_molecule O O B-other_name I-other_name O O B-peptide I-peptide O O B-protein_domain_or_region I-protein_domain_or_region O O O B-protein_molecule O B-amino_acid_monomer O B-amino_acid_monomer O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O B-protein_molecule I-protein_molecule I-protein_molecule O O