TNFSF12 Human Recombinant (94-249 a.a.) produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 156 amino acids and having a total molecular mass of 18kDa. The TNFSF12 is fused with an 8 amino acids his tag at N-terminal (M-HHHHHH-R, total 164 a.a.) and purified by proprietary chromatographic techniques.