IL-29, Species: Human, 1 mg

Interleukin-29 (IL-29), also known as IFN-lambda 1, is a type III interferon produced by virally infected cells. IL-29 plays an important role in host defenses against microbes and antiviral activity. IL-29 shares homology with interleukin-28 (IL-28) and binds the class II cytokine receptor IL-28R.