This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 26.7 kDa. The protein migrates as 33-40 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 PBS, 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 Spike RBD, His Tag (BA.2/Omicron) 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 Spike RBD, His Tag (BA.2/Omicron) (Cat. No. SPD-C522n) is more than 90% and the molecular weight of this protein is around 35-48 kDa verified by SEC-MALS.
Immobilized SARS-CoV-2 Spike RBD, His Tag (BA.2/Omicron) (Cat. No. SPD-C522n) 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 6.25-25 ng/mL (QC tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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