This protein carries a polyhistidine tag at the C-terminus
The protein has a calculated MW of 138.2 kDa. The protein migrates as 160-190 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
Supplied as 0.2 μm filtered solution in PBS.
Contact us for customized product form or formulation.
This product is supplied and shipped as sterile liquid solution with dry ice, please inquire the shipping cost.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
SARS-CoV-2 Spike Trimer, His Tag (BA.1/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 Trimer, His Tag (BA.1/Omicron) (Cat. No. SPN-C522a) is more than 85% and the molecular weight of this protein is around 500-550 kDa verified by SEC-MALS.
Immobilized SARS-CoV-2 Spike Trimer, His Tag (BA.1/Omicron) (Cat. No. SPN-C522a) at 1 μg/mL (100 μL/well) can bind Human ACE2, Fc Tag (Cat. No. AC2-H5257) with a linear range of 0.2-6 ng/mL (QC tested).
Immobilized SARS-CoV-2 Spike Trimer, His Tag (BA.1/Omicron) (Cat. No. SPN-C522a) at 1 μg/mL (100 μL/well) can bind Anti-SARS-CoV-2 Spike RBD Antibody, Mouse IgG1 (Omicron Specific) (Cat. No. SPD-M305) with a linear range of 0.1-4 ng/mL (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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