SARS-CoV-2 S Protein (Omicron, B.1.1.529, His)

For research use only. We do not sell to patients.

Size	Price	Stock	Quantity
Free Sample		Apply now
5 μg	$92	In-stock	Estimated Time of Arrival: December 31
10 μg	$156	In-stock	Estimated Time of Arrival: December 31
50 μg	$425	In-stock	Estimated Time of Arrival: December 31
100 μg		Get quote
250 μg		Get quote

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Biological Activity	Immobilized human ACE2-Fc at 2 μg/mL (100 μL/well) can bind SARS-CoV-2 S Protein (Omicron, B.1.1.529, His) and the EC₅₀ is 4-15 ng/mL.
Species	Virus
Source	HEK293
Tag	C-His
Accession	YP_009724390
Gene ID	43740568 [NCBI]
Synonyms	SARS-CoV-2 Protein; SARS-CoV-2 Spike Protein
Molecular Weight	Approximately 136.67 kDa
Purity	Greater than 90% as determined by reducing SDS-PAGE.
Appearance	Solution.
Formulation	Supplied as a 0.2 μm filtered solution of 25 mM sodium citrate, 200 mM NaCl, 0.02% tween 80, pH 6.0.
Endotoxin Level	<1 EU/μg, determined by LAL method.
Reconstitution	N/A.
Storage & Stability	Stored at -80°C. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
Shipping	Shipping with dry ice.
Documentation	Select Batch: Data Sheet (231 KB) SDS (251 KB) COA (232 KB) Handling Instructions (2659 KB)

SARS-CoV-2 S Protein (Omicron, B.1.1.529, His) Related Classifications

Help & FAQs

Do most proteins show cross-species activity?
Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

Specific Activity (Unit/mg) = 10⁶ ÷ Biological Activity (ED₅₀)

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