the presence of 3h-orotic acid in the cytoplasmic receptor fraction isolated in our laboratory , the sensitivity of this fraction to treatment with rnaases accompanied by a shift of the absorption peak of the receptor preparation towards the long-wave region as well as the use of the absorption filter technique point to the existence of ternary thyroxine-thyroxine-binding protein-rna complex in the cytoplasm .
C0206587
cytoplasmic receptor
C0597357
preparation