This protein carries a mouse IgG2a Fc tag at the C-terminus.
The protein has a calculated MW of 52.0 kDa. The protein migrates as 55-60 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Supplied as 0.2 μm filtered solution in 10 mM PB, Arginine, pH7.4.
Contact us for customized product form or formulation.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
SARS-CoV-2 S protein RBD, Mouse IgG2a 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 SARS-CoV-2 S protein RBD, Mouse IgG2a Fc Tag (Cat. No. SPD-C5251) is more than 90% and the molecular weight of this protein is around 110-125 kDa verified by SEC-MALS.
Loaded SARS-CoV-2 S protein RBD, Fc Tag (Cat. No. SPD-C5251) on Protein A Biosensor, can bind Human ACE2, His Tag (Cat. No. AC2-H52H8) with an affinity constant of 0.255nM 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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