A sucrose gradient analysis indicated the simultaneous presence of two kinds of receptor complexes : the steroid-MR complex and the antibody-MR complex .
a sucrose gradient analysis indicated the simultaneous presence of two kinds of receptor complexes : the steroid-mr complex and the antibody-mr complex .
O O O O O O O O O O O O O O O O B-protein_complex I-protein_complex O O B-protein_complex I-protein_complex O