- Express System: HEK293
- Product Tag: C-His-Avi
- Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
- Activity: Immobilized Biotinylated Human CD40, His Tag at 1ug/ml (100ul/well) on the streptavidin precoated plate (5ug/ml). Dose response curve for Human/Cynomolgus/Rhesus macaque CD40 Ligand (Trimer), hFc Tag with the EC50 of 9.5ng/ml determined by ELISA (QC test). See testing image for detail.
- Amino Acid Range: Glu21-Arg193
Product Description |
Recombinant Biotinylated Human CD40/TNFRSF5 Protein is expressed from HEK293 with His tag and Avi tag at the C-Terminus.It contains Glu21-Arg193. |
Product Background |
CD40 is a costimulatory protein found on antigen presenting cells and is required for their activation. The binding of CD154 (CD40L) on TH cells to CD40 activates antigen presenting cells and induces a variety of downstream effects.CD40 molecule is a potential target for cancer immunotherapy. There are number of completed and ongoing clinical trials where agonistic anti-CD40 monoclonal antibodies are employed to activate an anti-tumor T cell response via activation of dendritic cells. |
Product Category |
Recombinant Protein / Antibody discovery / Immune checkpoint proteins |
Protein |
CD40/TNFRSF5 |
Synonyms |
CD40; CD40L receptor;- TNFRSF5; CD40 antigen; CD40 molecule; CDw40; MGC9013; |
Accession |
|
Species |
Human |
Biotinylated |
yes |
Amino Acid Range |
Glu21-Arg193 |
Molecular Weight |
The protein has a predicted MW of 22.1 kDa. Due to glycosylation, the protein migrates to 35-40 kDa based on Bis-Tris PAGE result. |
Activity |
Immobilized Biotinylated Human CD40, His Tag at 1ug/ml (100ul/well) on the streptavidin precoated plate (5ug/ml). Dose response curve for Human/Cynomolgus/Rhesus macaque CD40 Ligand (Trimer), hFc Tag with the EC50 of 9.5ng/ml determined by ELISA (QC test). See testing image for detail. |
Product Tag |
C-His-Avi |
Expression System |
HEK293 |
Purity |
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC |
Endotoxin |
Less than 1 EU per ug by the LAL method. |
Form |
Lyophilized |
Shipping |
Shipped at ambient temperature. |
Formulation |
Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
Reconstitution |
Dissolve the lyophilized protein in distilled water. It is recommended to resuspend at 0.5 mg/mL if the lyophilized powder is 100 ug or less, at 1mg/ml for 500ug or 1mg lyophilized powder. Do not mix by vortex or vigorous shaking. |
Stability And Storage |
-20 to -80°C for 12 months as supplied from date of receipt.;-80°C for 3 months after reconstitution.;Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles. |
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