This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 138.0 kDa. The protein migrates as 180-220 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>90% as determined by SDS-PAGE.
Delivered as bulk protein in a 0.2 μm filtered solution of 50 mM Tris, 150 mM NaCl, pH5.5.
Contact us for customized product form or formulation.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
The product MUST be stored at -70°C or lower upon receipt;
-70°C for 3 months under sterile conditions.
SARS-CoV-2 S protein (R683A, R685A), His Tag, active trimer (MALS verified) on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.
The purity of SARS-CoV-2 (COVID-19) S protein (R683A, R685A), His Tag, active trimer (Cat. No. SPN-C52H2) was more than 85% and around 550-680 kDa verified by SEC-MALS.
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
High quality SARS-CoV-2 S protein, S1 protein and human ACE2 protein based on the human cell expression platform of HEK293.
ACROBiosystems has developed a series of homogeneous CD3 proteins with good bioactivity. They are verified as 1:1 heterodimers by nonreductive electrophoresis and MALS as well.
ACRO screened a few different beads and bring this tightly controlled superparamagnetic microspheres to you. This product can be widely applied for immunocapture, bio panning and flow cytometry.
ACROBiosystems has developed a series of kit products using its high-quality SARS-CoV-2 antigen proteins to improve the efficiency of anti-SARS-CoV-2 drugs and vaccines development.
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