Important role in determination of the surface properties of the casein micelles. Casoparan acts as a macrophage activator, increasing the phagocytic activity of macrophages and peroxide release from macrophages. It also acts as a bradykinin-potentiating peptide. Casohypotensin acts as a bradykinin-potentiating peptide. Induces hypotension in rats. Acts as a strong competitive inhibitor of endo-oligopeptidase A. Antioxidant peptide has antioxidant activity. Mammary gland specific. Secreted in milk. Leu-152 is present in the variants F and G; Gln-190 and Glu-210 are present in the variant H. The sequence shown is the A2 variant. Belongs to the beta-casein family. Of buttons, digestion and glue - Issue 16 of November 2001