Estrogen-binding proteins of calf uterus. Interrelationship between various forms and identification of a receptor-transforming factor.

Ammonium Sulfate Animals Calcium Cattle Centrifugation, Density Gradient Chemical Precipitation Chromatography, Gel Cytoplasm/analysis Estradiol Estrogens Female Isoelectric Focusing Macromolecular Substances Molecular Weight Osmolar Concentration Protein Binding Proteins/isolation & purification Receptors, Cell Surface Tritium Trypsin Uterus/analysis,cytology

Estrogens Macromolecular Substances Proteins Receptors, Cell Surface Tritium Estradiol Trypsin Ammonium Sulfate Calcium