Recombinant Rabbit TNFRSF9 protein, His-tagged

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Recombinant Rabbit TNFRSF9 protein, His-tagged

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Cat.No. : TNFRSF9-3093R
Product Overview : Recombinant Rabbit TNFRSF9 (Val29-Ile191) protein was fused to His-tag at C-terminus and expressed in human 293 cells (HEK293).
Description : 4-1BB is also known as CD137, tumor necrosis factor receptor superfamily member 9 (TNFRSF9), induced by lymphocyte activation (ILA), is a co-stimulatory molecule of the tumor necrosis factor (TNF) receptor superfamily. CD137 can be expressed by activated T cells, but to a larger extent on CD8 than on CD4 T cells. In addition, CD137 expression is found on dendritic cells, follicular dendritic cells, natural killer cells, granulocytes and cells of blood vessel walls at sites of inflammation. The best characterized activity of CD137 is its costimulatory activity for activated T cells. Crosslinking of CD137 enhances T cell proliferation, IL-2 secretion survival and cytolytic activity. Further, it can enhance immune activity to eliminate tumors in mice. CD137 can enhance activation-induced T cell apoptosis when triggered by engagement of the TCR/CD3 complex. In addition, 4-1BB/4-1BBL co-stimulatory pathway has been shown to augment secondary CTL responses to several viruses, and meanwhile augment anti-tumor immunity. 4-1BB thus is a promising candidate for immunotherapy of human cancer. CD137 has been shown to interact with TRAF2.
Source : HEK293
Species : Rabbit
Tag : His
Predicted N Terminal : Val29
Form : Lyophilized from 0.22 μm filtered solution in PBS, pH7.4, 10% trehalose.
Molecular Mass : The protein has a calculated MW of 18.8 kDa. The protein migrates as 27-33 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Protein length : Val29-Ile191
Endotoxin : Less than 1.0 EU per μg by the LAL method.
Purity : >90% as determined by SDS-PAGE.
Storage : For long term storage, the product should be stored at lyophilized state at -20 centigrade or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
-20 to -70 centigrade for 12 months in lyophilized state;
-70 centigrade for 3 months under sterile conditions after reconstitution.
Reconstitution : It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 ug/ul. Centrifuge the vial at 4ºC before opening to recover the entire contents.
SDS-PAGE of TNFRSF9-3093R :

Rabbit 4-1BB, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.

Bioactivity-ELISA of TNFRSF9-3093R :

Immobilized Human 4‑1BB Ligand, Fc Tag at 2 μg/mL (100 μL/well) can bind Rabbit 4-1BB, His Tag with a linear range of 1-39 ng/mL (QC tested).

Gene Name : TNFRSF9
Official Symbol : TNFRSF9
Synonyms : ILA; 4-1BB; CD137; CDw137
Gene ID : 100348914
mRNA Refseq : XM_008265973.2
Protein Refseq : XP_008264195.1
UniProt ID : G1SHD7

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