<prompt> Plasma ceruloplasmin is aa-1 globulina-2 globulinb-1 globulinb-2 globulin  <response>: Caeruloplasmin It is a copper-containing a2-globulin, a glycoprotein with enzyme activities. Molecular weight is ? 151,000. It has eight sites for binding copper-contains about eight atoms of copper per molecule- 12 as cuprous Cu and 12 as cupric Cu. It carries 0.35 percent Cu by weight. Normal plasma contains approx. 30 mg100 ml and about 75 to 100 mg of Cu may be present in 100 ml of plasma. It has enzyme activities, e.g. copper oxidase, histaminase and ferrous oxidase.Ref: Textbook of medical biochemistry, MN Chatterji, 8th edition, page no: 101 