Human secreted interleukin17 A (IL-17A) also known as, IL-17 andcytotoxic T lymphocyte antigen 8 (CTLA8)GenBank Accession No. NM_ 002190, a.a20-155(end), expressed in an e. coliexpression system. This protein existsnaturally as a homodimer; M.W. = 17.5 kDa(monomer); 35 kDa dimer