>Immune Checkpoint Proteins
>Human / Cynomolgus / Rhesus macaque CD28 Protein, Mouse IgG2a Fc Tag, low endotoxin
This protein carries a mouse IgG2a Fc tag at the C-terminus.
The protein has a calculated MW of 42.0 kDa. The protein migrates as 50-66 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, pH7.5. Normally trehalose is added as protectant before lyophilization.
Contact us for customized product form or formulation.
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
No activity loss was observed after storage at:
Human / Cynomolgus / Rhesus macaque CD28, Mouse IgG2a Fc Tag, low endotoxin on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.
Immobilized Human / Cynomolgus / Rhesus macaque CD28, Mouse IgG2a Fc Tag, low endotoxin (Cat. No. CD8-H52A5) at 5 μg/mL (100 μL/well) can bind Human B7-2, Fc Tag (Cat. No. CD6-H5257) with a linear range of 0.313-5 μg/mL (QC tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
Price(USD) : $300.00
Price(USD) : $2000.00
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