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View ProductsBrand | ProteoGenix |
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Host Species | Mammalian cells |
Size | 100µg |
Product name | SARS-CoV-2 Spike trimer (RRAR-GSAS) recombinant protein |
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Expression system | Eukaryotic expression |
Molecular weight | 138.18 kDa |
Purity estimated | >90% by SDS-PAGE |
Buffer | PBS pH 7.4, 1mM EDTA, 4% Trehalose, 1% Mannitol |
Form | Liquid |
Delivery condition | Dry Ice |
Storage condition | 4°C for short term (1 week), -20°C or -80°C for long term (avoid freezing/thawing cycles; addition of 20-40% glycerol improves cryoprotection) |
Brand | ProteoGenix |
Host species | Mammalian cells |
Fragment Type | Met1-Gln1208, C-Terminal His Tag |
Aliases /Synonyms | S glycoprotein, E2, Peplomer protein, Spike protein S1, Spike protein S2, Spike protein S2', S, SARS-CoV-2Spike glycoprotein |
Reference | PX-COV-P087 |
Note | For research use only. Not suitable for human use. |
The SARS-CoV-2 virus, responsible for the ongoing COVID-19 pandemic, is characterized by its distinctive spike protein on its surface. This spike protein plays a crucial role in the virus’ ability to infect human cells and has therefore become a major target for drug development. In this article, we will discuss the structure, activity, and potential applications of the SARS-CoV-2 Spike trimer (RRAR-GSAS) recombinant protein.
The SARS-CoV-2 spike protein is a trimeric protein, meaning it is made up of three identical subunits. Each subunit consists of two parts: the S1 subunit, responsible for receptor binding, and the S2 subunit, involved in membrane fusion. The S1 subunit contains a receptor-binding domain (RBD) that specifically binds to the human angiotensin-converting enzyme 2 (ACE2) receptor, facilitating viral entry into host cells. The S2 subunit contains a fusion peptide that allows the virus to fuse with the host cell membrane and release its genetic material.
The SARS-CoV-2 Spike trimer (RRAR-GSAS) recombinant protein is a modified version of the spike protein, with specific mutations in the RBD region. These mutations, RRAR-GSAS, have been shown to enhance the stability and immunogenicity of the spike protein, making it a promising candidate for drug development.
The primary activity of the SARS-CoV-2 Spike trimer (RRAR-GSAS) recombinant protein is its ability to bind to the ACE2 receptor on human cells. This binding is essential for viral entry and infection. However, the modified RBD mutations in the recombinant protein have been shown to increase the binding affinity to ACE2, making it a more potent target for drug development.
In addition to its role in viral entry, the spike protein also plays a crucial role in the immune response to the virus. The S1 subunit of the spike protein contains multiple epitopes, which are regions that can trigger an immune response. The SARS-CoV-2 Spike trimer (RRAR-GSAS) recombinant protein, with its modified RBD mutations, has been shown to elicit a strong immune response, making it a potential candidate for vaccine development.
The SARS-CoV-2 Spike trimer (RRAR-GSAS) recombinant protein has several potential applications in the fight against COVID-19. Its ability to bind to the ACE2 receptor and trigger an immune response makes it a promising target for drug development.
One potential application is the development of therapeutic antibodies that can bind to the spike protein and block its interaction with ACE2, preventing viral entry into host cells. These antibodies could potentially be used as a treatment for COVID-19 patients.
Another application is the development of a vaccine using the recombinant protein. By eliciting an immune response, the vaccine could provide protection against the virus and potentially prevent future outbreaks.
Furthermore, the SARS-CoV-2 Spike trimer (RRAR-GSAS) recombinant protein could also be used in diagnostic tests to detect the presence of antibodies against the spike protein in individuals, indicating previous exposure to the virus.
In summary, the SARS-CoV-2 Spike trimer (RRAR-GSAS) recombinant protein is a modified version of the spike protein with enhanced stability and immunogenicity. Its ability to bind to the ACE2 receptor and trigger an immune response makes it a promising candidate for drug development, particularly in the development of therapeutic antibodies and vaccines. Further research and clinical trials will be necessary to fully explore the potential of this recombinant protein in the fight against COVID-19.
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