Recombinant Human Exodus-2 also known as SLC (Secondary Lymphoid-Tissue Chemokine), TCA-4 (T-cell activation-4) , and 6Ckine, produced in E.Coli is a non-glycosylated, Polypeptide chain containing 111 amino acids and having a molecular mass of 12219 Dalton.The rHuExodus-2 is purified by proprietary chromatographic techniques. The sequence of the first five N-terminal amino acids was determined and was found to be Ser-Asp-Gly-Gly-Ala.