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.
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).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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