SARS-CoV-2 S1 Protein (Delta, B.1.617.2, His)

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

Size	Price	Stock	Quantity
5 μg	$80	In-stock	Estimated Time of Arrival: December 31
10 μg	$120	In-stock	Estimated Time of Arrival: December 31
50 μg	$300	In-stock	Estimated Time of Arrival: December 31
100 μg	$450	In-stock	Estimated Time of Arrival: December 31
> 100 μg		Get quote

* Please select Quantity before adding items.

Biological Activity	Immobilized ACE2 Protein, Human, Recombinant (mFc Tag) at 2 μg/mL (100 μL/well) can bind SARS-CoV-2 S1 Protein (Delta, B.1.617.2, His), the EC₅₀ is 30-180 ng/mL.
Species	Virus
Source	HEK293
Tag	C-10*His
Accession	YP_009724390.1 (V16-R685 with mutations T19R, G142D, E156G, 157-158 deletion, L452R, T478K, D614G, P681R)
Gene ID	43740568
Synonyms	Spike glycoprotein; S glycoprotein; Peplomer protein; S
Molecular Weight	Approximately 95 kDa
Purity	Greater than 90 % as determined by reducing SDS-PAGE.
Appearance	Solution
Formulation	Supplied as a 0.2 μm filtered solution of PBS, pH 7.4.
Endotoxin Level	<1 EU/μg, determined by LAL method.
Reconstitution	N/A.
Storage & Stability	Stored at -80°C for 1 year. 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 (220 KB) Handling Instructions (2659 KB)

SARS-CoV-2 S1 Protein (Delta, B.1.617.2, 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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