PHA -induced kappaB-dependent reporter activity was , however , effectively blocked by a dominant negative form of Raf-1 , suggesting a critical role for a Raf kinase .
pha -induced kappab-dependent reporter activity was , however , effectively blocked by a dominant negative form of raf-1 , suggesting a critical role for a raf kinase .
B-protein_molecule O O O O O O O O O O O O O O O O B-protein_molecule O O O O O O O B-protein_family_or_group I-protein_family_or_group O