Recombinant SARS-CoV-2 Spike S1 Protein(Fc-Avi)

Recombinant SARS-CoV-2 Spike S1 Protein(Fc-Avi)

Recombinant SARS-CoV-2 Spike (His-Avi) RBD

Recombinant SARS-CoV-2 Spike (His-Avi) RBD

Biotinylated Recombinant SARS-CoV-2 Spike S1-His-Avi Protein

In stock

Biotinylated 2019-nCoV Spike S1 is expressed from mammalian with a His tag and Avi at the C-terminal.    
It contains Gln 14-Arg 683.


Molecular Weight
The protein has a predicted MW of 77.9 kDa. Due to glycosylation, the protein migrates to 110-120KDa based on Bis-Tris PAGE result.

Less than 1EU per ug by the LAL method.

> 95% as determined by Bis-Tris PAGE    
> 95% as determined by HPLC

Lyophilized from 0.22um filtered solution in 20mM PB (pH 7.4). Normally 5 % trehalose is added as protectant before lyophilization.

The product should be stored at -70℃ or -20℃.

The spike protein (S) of coronavirus (CoV) attaches the virus to its cellular receptor, angiotensin- converting enzyme 2 (ACE2). A defined receptor-binding domain (RBD) on S mediates this interaction.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity.

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