However , X failed to react with a variety of antibodies against Rb or p107 , implicating the involvement of an E1A-binding protein other than Rb or p107 .
however , x failed to react with a variety of antibodies against rb or p107 , implicating the involvement of an e1a-binding protein other than rb or p107 .
O O B-protein_complex O O O O O O O O O B-protein_molecule O B-protein_molecule O O O O O O B-protein_family_or_group I-protein_family_or_group O O B-protein_molecule O B-protein_molecule O