Recombinant Human IP-10 produced in E.Coli is a non-glycosylated, Polypeptide chain containing 77 amino acids and having a molecular mass of 8516 Dalton.The rHuIP-10 is purified by proprietary chromatographic techniques. The sequence of the first five N-terminal amino acids was determined and was found to be Val-Pro-Leu-Ser-Arg.