SARS-CoV-2 Spike N-terminal Domain (a.a. 1-260, glycosylated, HEK, Fc-Tag) recombinant Protein

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Product Overview, Sizes and Prices



Synonyms: Novel Coronavirus 2019 Spike N-terminal, recombinant.

Source: HEK

Purity: ≥ 85 % (SDS-PAGE)

Physical state: Sterile filtered, liquid

Manufacturer:  Active Bioscience

Article No. Size Price  
2020.V20.050 50 µg 920 €
2020.V20.150 150 µg 2.250 €
2020.V20.250 250 µg 2.990 €

Please inquire for other vial sizes and custom vialing.



Product Details


Novel Coronavirus 2019 Spike N-terminal, recombinant.


Description of SARS-CoV-2 Spike N-terminal Domain (a.a. 1-260, glycosylated, HEK, Fc-Tag)

Recombinant Spike N-terminal, derived from HEK293 cells is a glycosylated protein consisting of Amino acid 1-260, fused to a predominantly monomeric Fc tag at the C-terminal. It is derived from the Wuhan-Hu-1 strain. SARS-CoV-2, formerly termed 2019-nCOV, causes the pandemic COVID-19 disease, a viral pneumonia. The production in HEK293 cells ensures the most authentic post translational modifications.

The SARS-CoV-2 shares an 87% identity to two bat-derived severe acute respiratory syndrome 2018 (SARS-like) coronaviruses found in Zhoushan of eastern China. It is more distant from SARS-CoV (79%) identity and MERS-CoV (50%) identity. SARS-CoV-2 has an analogous receptor-binding domain-structure to that of 2018 SARS-CoV, even though there is a.a. diversity so thus the 2019-nCoV might bind to ACE2 receptor protein (angiotensin-converting enzyme 2) in humans.

While bats are possibly the host of SARS-CoV, researchers suspect that animal from the ocean sold at the seafood market was an intermediate host. RSCU analysis proposes that the SARS-CoV-2 is a recombinant within the viral spike glycoprotein between the bat coronavirus and an unknown coronavirus.



The protein is stable for at least 2 weeks at 0°C - 4°C, and therefore can be shipped on ice packs. Upon arrival it should be stored at -20 °C. Please avoid repeated freeze thaw cycles.


Shipping symbol Shipped with ice packs









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