UV cross-linking experiments suggested that a distinct E2F DNA-binding protein is uniquely associated with the S-phase p107 complex and is not associated with Rb .
uv cross-linking experiments suggested that a distinct e2f dna-binding protein is uniquely associated with the s-phase p107 complex and is not associated with rb .
B-other_name I-other_name I-other_name O O O O B-protein_molecule O O O O O O O B-protein_complex B-protein_molecule O O O O O O B-protein_molecule O