IL-17A is a homodimeric cytokine and plays a critical role in host defense mechanisms against many bacterial and fungal pathogens as well as allergic and autoimmune responses. IL-17A induces the production of antimicrobial peptides, cytokines, chemokines, and matrix metalloproteinases[1][2]. IL-17A Protein, Rabbit (solution) is a recombinant rabbit IL-17A protein and is expressed in E. coli. It consists of 130 amino acids (G24-A153) .