TNFR2 Human Recombinant produced in E.coli is a single, non-glycosylated, Polypeptide chain containing 184 amino acids fragment (23- 206) having molecular weight of 24.45kDa and fused with 4.5kDa amino-terminal hexahistidine tag. The TNFR2 i 1 * 20 µG