The phosphorylation of CREB that results in activation is mediated by protein kinase C rather than by protein kinase A .
the phosphorylation of creb that results in activation is mediated by protein kinase c rather than by protein kinase a .
O O O B-protein_molecule O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O O O B-protein_molecule I-protein_molecule I-protein_molecule O