MW: 17,941 Da. Purity >98% by SDS-PAGE & HPLC analyses. IL-17F, a member of the IL-17 family of structurally related cytokines, has been shown to stimulate proliferation and activation of T-cells and PBMCs. IL-17F also regulates cartilage matrix turnover and inhibits angiogenesis. Recombinant murine IL-17F is a disulfide-linked homodimer of 30 kDa, consisting of two 134 amino acid residue chains.