Purity: > 90% by SDS - PAGE Format: Liquid. In PBS buffer (pH 7.4) containing 10% glycerol. IFNG is a member of the type II interferon family. This protein is a soluble cytokine with antiviral, immunoregulatory and anti-tumor properties and is a potent activator of macrophages. Mutations in this gene are associated with aplastic anemia. Recombinant human IFNG protein was expressed in E.coli and purified by using conventional chromatography techniques.