Ligand for IL17RA and IL17RC. Recombinant protein corresponding to aa31-163 from human Interleukin 17F, expressed in E. coli. Molecular Weight: ~14.9kD Biological Activity: The ED50 as determined by its ability to induce IL-6 secretion by NIH 3T3 mouse embryonic fibroblast cells is less than 40ng/mL. Amino Acid Sequence: RKIPKVGHTFFQKPESCPPVPGGSMKLDIGIINENQRVSMSRNIESRSTSPWNYTVTWDPNRYPSEVVQAQCRNLGCINAQGKEDISMNSVPIQQETLVVRRKHQGCSVSFQLEKVLVTVGCTCVTPVIHHVQ Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.