The Globulin is one kind of the protein in the body which is synthesized in the liver by the immune system. It plays the most important role in the blood clotting, fighting infection, liver function, and others. The globulins can be classified into different types such as alpha 1, alpha 2, gamma, beta, and others. There are several types of the Globulin tests such as complete protein test, serum protein electrophoresis, and others. The serum globulin test measures the gamma globulin and others in the blood. It is also used to diagnose the immune system disorder and multiple myeloma disorder.