The presence of the sulfhydryl agent dithiothreitol did not affect results suggesting the absence of disulfide bridges in the steroid binding domain of the receptor .
the presence of the sulfhydryl agent dithiothreitol did not affect results suggesting the absence of disulfide bridges in the steroid binding domain of the receptor .
O O O O B-other_organic_compound I-other_organic_compound I-other_organic_compound O O O O O O O O B-protein_substructure I-protein_substructure O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O O O