4-1BB Ligand, human recombinant

Cytokine that binds to TNFRSF9. Induces the proliferation of activated peripheral blood T-cells. May have a role in activation-induced cell death (AICD). May play a role in cognate interactions between T-cells and B-cells/macrophages. (www.uniprot.org) Produced in E.coli as a single, non-glycosylated, polypeptide chain containing 222 amino acids (fragment 71-254). TNFSF9 is fused to a 37 amino acid His tag at N-terminus.