Together , these results suggest that E2F consists of multiple , biochemically distinct DNA-binding proteins which function at different points in the cell cycle .
together , these results suggest that e2f consists of multiple , biochemically distinct dna-binding proteins which function at different points in the cell cycle .
O O O O O O B-protein_molecule O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O B-other_name I-other_name O