Product Description |
Recombinant Biotinylated Human CD40 Ligand/TNFSF5 Trimer Protein (Primary Amine Labeling) is expressed from HEK293 with His tag and Flag tag at the N-Terminus.It contains Met113-Leu261 trimer design. |
Product Background |
CD40 ligand or CD40L, also called CD154,- is a protein that is primarily expressed on activated T cells and is a member of the TNF superfamily of molecules. It binds to CD40 (protein) on antigen-presenting cells (APC), which leads to many effects depending on the target cell type. In total CD40L has three binding partners: CD40, α5β1 integrin and αIIbβ3. CD154 acts as a costimulatory molecule and is particularly important on a subset of T cells called T follicular helper cells. |
Product Category |
Recombinant Protein / Antibody discovery / Antibody discovery | Others |
Protein |
CD40 Ligand/TNFSF5 |
Synonyms |
CD40L; CD40LG; CD154; TNFSF5; TNFSF5IMD3; CD40LIGM; gp39; HIGM1; T-BAM; TRAP; IGM; IMD3; CD40 Ligand |
Accession |
|
Species |
Human |
Biotinylated |
yes |
Amino Acid Range |
Met113-Leu261 |
Molecular Weight |
The protein has a predicted MW of 52.4 kDa, Due to glycosylation, the protein migrates to 55-60 kDa based on Bis-Tris PAGE result. |
Activity |
Immobilized Human CD40, hFc Tag at 5ug/ml (100ul/well) on the plate. Dose response curve for Biotinylated Human CD40 Ligand Trimer, His Tag with the EC50 of 47.6ng/ml determined by ELISA (QC Test). See testing image for detail. |
Product Tag |
N-His-Flag |
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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