Definition: A glycoprotein migrating as alpha 1-globulin, molecular weight 70,000 to 120,000. The protein, which is present in increased amounts in the plasma during pregnancy, binds mainly progesterone, with other steroids including testosterone competing weakly.
an alpha-globulin; /biosyn /physiol permitted
Other names Transprogestin; Protein, Progesterone-Binding; Progesterone Binding Protein; Progesterone Binding Globulin; Globulin, Progesterone-Binding; Progesterone-Binding Protein