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This protein carries a polyhistidine tag at the C-terminus
The protein has a calculated MW of 76.7 kDa. The protein migrates as 100-120 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
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:
SARS-CoV-2 Spike S1, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
Immobilized SARS-CoV-2 Spike S1, His Tag (Cat. No. S1N-C52Hu) at 2 μg/mL (100 μL/well) can bind Human ACE2, Fc Tag (Cat. No. AC2-H5257) with a linear range of 0.2-4 ng/mL (QC tested).
Immobilized SARS-CoV-2 Spike S1, His Tag (Cat. No. S1N-C52Hu) at 1 μg/mL (100 μL/well) can bind Anti-SARS-CoV-2 Spike RBD Antibody, Chimeric mAb, Human IgG1 (Cat. No. S1N-M122) with a linear range of 0.2-3 ng/mL (Routinely tested).
Immobilized Human ACE2, Fc Tag (Cat. No. AC2-H5257) at 2 μg/mL (100 μL/well) can bind SARS-CoV-2 Spike S1, His Tag (Cat. No. S1N-C52Hu) with a linear range of 0.039-0.625 μg/mL (Routinely tested).
Immobilized Anti-SARS-CoV-2 Spike RBD Antibody, Chimeric mAb, Human IgG1 (Cat. No. S1N-M122) at 1 μg/mL (100 μL/well) can bind SARS-CoV-2 Spike S1, His Tag (Cat. No. S1N-C52Hu) with a linear range of 0.2-13 ng/mL (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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