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R&D Systems™ Recombinant Human CD40 Ligand/TNFSF5 (Histidine-tagged), CF
A New rh CD40 Ligand is Now Available! ∼10 fold better activity; HEK293 expressed; HA tag!
Supplier: R&D Systems™ 2706CL500/CF
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DescriptionMeasured in a cell proliferation assay using enriched human B cells in the presence of IL-4. Spriggs, M.K. et al. (1992) J. Exp. Med. 176:1543. The ED50 for this effect is 2-12 ng/mL in the presence of 10 μg/mL of a cross-linking antibody, Mouse Anti-polyHistidine Monoclonal Antibody (Catalog # MAB050 ) and 20 ng/mL of recombinant human IL-4.
|Lyophilized from a 0.2 µm filtered solution in HEPES, NaCl and EDTA.|
|M.W. (Observed): 18 kDa, reducing conditions; M.W. (theoretical): 17.7 kDa (monomer)|
|>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.|
|E. coli-derived human CD40 Ligand/TNFSF5 protein Glu108-Leu261, with an N-terminal Met and 6-His tag|
|<0.01 EU / 1 µg of the protein by the LAL method.|
|Reconstitute at 100 µg/mL in sterile PBS.|
|CD154, CD154 antigen, CD40 antigen ligand, CD40 ligand, CD40L, CD40-L, CD40LG, CD40LIGM, gp39, hCD40L, HIGM1, T-B cell-activating molecule, T-BAM, T-cell antigen Gp39, TNF-related activation protein, TNFSF5, TNFSF5IMD3, TRAP, TRAPtumor necrosis factor (ligand) superfamily, member 5 (hyper-IgM syndrome), tumor necrosis factor (ligand) superfamily member 5, Tumor necrosis factor ligand superfamily member 5|
|Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution.|
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