Based on the high binding affinity between biotin-streptavidin systems, our Streptavidin series products are recommended to use together with biotinylated proteins to get lower non-specific binding results in a shorter time.
This protein carries a mouse IgG1 Fc tag at the C-terminus, followed by an Avi tag (Avitag™).
The protein has a calculated MW of 52.5 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.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 . 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:
Biotinylated SARS-CoV-2 S protein RBD, Mouse IgG1 Fc,Avitag 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 Biotinylated SARS-CoV-2 S protein RBD, Mouse IgG1 Fc,Avitag™(MALS verified) (Cat. No. SPD-C82Aa) is more than 90% and the molecular weight of this protein is around 105-120 kDa kDa verified by SEC-MALS.
Immobilized Human ACE2, Fc Tag (Cat. No. AC2-H5257) at 1 μg/mL (100 μL/well) can bind Biotinylated SARS-CoV-2 S protein RBD, Mouse IgG1 Fc,Avitag™(MALS verified) (Cat. No. SPD-C82Aa) with a linear range of 0.2-10 ng/mL (QC tested).
Immobilized Biotinylated SARS-CoV-2 S protein RBD, Mouse IgG1 Fc,Avitag™(MALS verified) (Cat. No. SPD-C82Aa) at 1 μg/mL (100 μL/well) on streptavidin precoated (0.5μg/well) plate, can bind Anti-SARS-CoV-2 RBD Neutralizing Antibody, Human IgG1 (Cat. No. SAD-S35) ) with a linear range of 0.2-3 ng/mL (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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