We investigated the inhibitory action of six flavonoids on IkappaB kinase ( IKK ) activity , an enzyme recently found to phosphorylate critical serine residues of IkappaB for degradation .
we investigated the inhibitory action of six flavonoids on ikappab kinase ( ikk ) activity , an enzyme recently found to phosphorylate critical serine residues of ikappab for degradation .
O O O O O O O B-other_organic_compound O B-protein_molecule I-protein_molecule O B-protein_molecule O O O O O O O O O O B-amino_acid_monomer O O O O O O