Both DNA-binding complexes were inhibited by a phosphotyrosine antibody ( 4G10 ) , suggesting that tyrosine phosphorylation is required for complex formation .
both dna-binding complexes were inhibited by a phosphotyrosine antibody ( 4g10 ) , suggesting that tyrosine phosphorylation is required for complex formation .
O B-protein_complex I-protein_complex O O O O B-protein_family_or_group I-protein_family_or_group O B-protein_molecule O O O O B-amino_acid_monomer O O O O B-other_name I-other_name O