This protein carries a human IgG1 Fc tag at the C-terminus.
The protein has a calculated MW of 40.4 kDa. The protein migrates as 55-66 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, pH7.5. Normally trehalose is added as protectant before lyophilization.
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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:
Human CD47, 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 95%.
The purity of Human CD47, Fc Tag (Cat. No. CD7-H5256) was more than 90% and the molecular weight of this protein is around 95-110 kDa verified by SEC-MALS.
Immobilized Human CD47, Fc Tag (Cat. No. CD7-H5256) on AHC Biosensor, can bind Human SIRP alpha, His Tag (Cat. No. SIA-H5225) with an affinity constant of 0.72 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
FACS assay shows that Human CD47, Fc Tag (Cat. No. CD7-H5256) can bind to ACHN cell expressing SIRP-a. The concentration of CD47 used is 10 μg/mL (Routinely tested).
FACS analysis shows that the binding of Human CD47 to ACHN expressing SIRP-a was inhibited by increasing concentration of neutralizing SIRP-a antibody. The concentration of Human CD47 used is 10 μg/mL. IC50=15.02 μg/mL (Routinely tested).
Authors: Manning Pamela T, et al.
Journal: US20180142019A1 2018
Authors: Yu XY, et al.
Journal: Biochimie 2018
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