Mouse IgG Fractionated Purified from Innovative Research has been purified from mouse serum by fractionation. This is a frozen liquid buffered in 10mM sodium phosphate, 150mM sodium chloride pH 7.2 and a purity of greater than 97% as determined by SDS-PAGE analysis. This product is useful as a co-precipitant in radioimmunoassay methods that use polyethylene glycol or ammonium sulfate precipitaiton, and as a protein stabilizer blocker for immunoassays. This is also useful as an IgG control for biochemical analytical testing. Immunoglobulin G (IgG) is an antibody that plays a role in controlling infection, neutralizing toxins, activating the classical pathway of the complement system, and more. Each individual IgG contains two identical antigen binding sites. There are four subclasses of IgG (IgG1, IgG2, IgG3, and IgG4) that have different (and sometimes opposing) properties. More Details: Source: Mouse Serum Purification: IgG Fractionated Purity: > 97% by SDS-PAGE Storage Conditions: -20░C At Innovative Research, we provide reliable, consistent products that deliver reliable, consistent results. Please note ¢ this product replaces our old product number IRMSGGF (same product, new number).