Source: E.coli. MW :19.7kD. Recombinant Mouse Interleukin-18 is produced by our E.coli expression system and the target gene encoding Asn36-Ser192 is expressed with a 6His tag at the N-terminus. Interleukin-18 (IL18, also known as interferon-gamma inducing factor) is a protein which in mouse is encoded by the IL18 gene, belongs to the IL-1 family. Augments natural killer cell activity in spleen cells and stimulates interferon gamma production in T-helper type I cells