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Recombinant SARS-CoV-2 S-trimer Protein | 763-PKSV030322

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763-PKSV030322
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Description

Recombinant SARS-CoV-2 S-trimer Protein | PKSV030322 | Elabscience.

Synonym: Spike glycoprotein, S glycoprotein, E2, Peplomer protein

Activity: Test in progress

Protein Construction: Recombinant SARS-CoV-2 S protein is produced by Mammalian cells expression system and the target gene encoding Met1-Gln1208 is expressed with C-His Tag

Sequence: Met1-Gln1208

Fusion tag: C-His

Accession: P0DTC2

Species: SARS-CoV-2

Expressed Host: Mammalian cells

Shipping Conditions: This product is provided as lyophilized powder which is shipped with ice packs.

Purity: >90% as determined by SDS-PAGE

Endotoxin: Please contact us for more information.

Stability and Storage: Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.

Mol Mass: 138.09kDa

AP Mol Mass: N/A

Formulation: Supplied as solution form in PBS, pH7.5 or lyophilized from PBS, pH7.5

Reconstitution: Please refer to the printed manual for detailed information.

Background: Protein S (PROS1) is glycoprotein and expressed in many cell types supporting its reported involvement in multiple biological processes that include coagulation, apoptosis, cancer development and progression, and the innate immune response. Known receptors bind S1 are ACE2, angiotensin-converting enzyme 2, DPP4, CEACAM etc.. The spike (S) glycoprotein of coronaviruses is known to be essential in the binding of the virus to the host cell at the advent of the infection process. Most notable is severe acute respiratory syndrome (SARS) . The severe acute respiratory syndrome-coronavirus (SARS-CoV) spike (S) glycoprotein alone can mediate the membrane fusion required for virus entry and cell fusion. It is also a major immunogen and a target for entry inhibitors. It's been reported that 2019-nCoV can infect the human respiratory epithelial cells through interaction with the human ACE2 receptor. The spike protein is a large type I transmembrane protein containing two subunits, S1 and S2. S1 mainly contains a receptor binding domain (RBD) , which is responsible for recognizing the cell surface receptor. S2 contains basic elements needed for the membrane fusion.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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