Aeruginin

Ceruloplasmin (CER), also called copper oxidase, is a copper-containing α2 glycoprotein with a molecular weight of about 120,000 to 160,000, which is not easy to purify. Currently known as a single-chain polypeptide, each molecule contains 6-7 copper atoms, is blue due to copper, contains about 10% sugar, and the terminal sialic acid is linked to the polypeptide chain, which has genetic polymorphism. Its role is to regulate the distribution of copper in various parts of the body, to synthesize copper-containing enzyme proteins, has the role of antioxidants, and has oxidase activity. 1 molecule of ceruloplasmin binds to 8 copper atoms, and about 90% of the copper atoms in serum bind to ceruloplasmin. It is generally believed that ceruloplasmin is synthesized by the liver, part of which is excreted by the biliary tract, and the urine content is very small.

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