Recombinant SARS-CoV-2 Nucleocapsid Protein(His-Avi)

Recombinant SARS-CoV-2 Nucleocapsid Protein(His-Avi)

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

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

Recombinant SARS Spike RBD(His-Avi)

$320.00
In stock
CatalogSAR-VM4BD

Source
SARS Spike RBD is expressed from mammalian with a His tag and Avi at the C-terminal.    
It contains Arg306-Phe527.

Accession
P59594

Molecular Weight
The protein has a predicted MW of 27.9 kDa. Due to glycosylation, the protein migrates to 36-46KDa based on Bis-Tris PAGE result.

Endotoxin
Less than 1EU per ug by the LAL method.

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

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

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

Background
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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