This protein carries a human IgG1 Fc tag at the C-terminus.
The protein has a calculated MW of 41.7 kDa. The protein migrates as 55-60 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>90% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, 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.
This product is stable after storage at:
Mouse CD28, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.
Loaded Mouse CD28, Fc Tag (Cat. No. CD8-M5257) on Protein A Biosensor, can bind Mouse B7-2, His Tag (Cat. No. CD6-M52H0) with an affinity constant of 5.6 μM as determined in BLI assay (ForteBio Octet Red96e) (QC tested).
Loaded Mouse CD28, Fc Tag (Cat. No. CD8-M5257) on Protein A Biosensor, can bind Mouse B7-1, His Tag (Cat. No. CD0-M5228) with an affinity constant of 0.99 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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