As a homodimer JunB is unable to bind the enhancer ; however in the presence of c-Fos , high-affinity binding is observed .
as a homodimer junb is unable to bind the enhancer ; however in the presence of c-fos , high-affinity binding is observed .
O O O B-protein_molecule O O O O O O O O O O O O B-protein_molecule O O O O O O