Progesterone-Binding Globulin

Synonyms

Globulin, Progesterone-Binding

Progesterone Binding Globulin

Progesterone Binding Protein

Progesterone-Binding Protein

Protein, Progesterone-Binding

Transprogestin

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.