R&D Systems Human CD40 Ligand/TNFSF5 (Histidine-tagged) Recombinant Protein
Manufacturer: R&D Systems 2706CL025
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 ED 50 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.
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|Lyophilized from a 0.2μm filtered solution in HEPES, NaCl and EDTA with BSA as a carrier protein.|
|17.7 kDa (monomer)|
|97%, by SDS-PAGE under reducing conditions and visualized by silver stain.|
|CD40 Ligand/TNFSF5 (Histidine-tagged)|
|Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.|
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