Recombinant SARS-CoV-2 Spike S (S1+S2) Protein

$650.00

Description:Recombinant SARS-CoV-2 Spike S (S1+S2) Protein

                                       

Product: Recombinant protein of SARS-CoV-2, severe acute respiratory syndrome coronavirus 2 Spike S (S1+S2), with a rabbit IgG Fc tag.

                         

Cat #: LTP-V004

             

Host: Human 293 cells

                                       

RefSeq: NC_045512.2; YP_009724390.1; Gene ID: 43740568;

                                       

Molecular Weight: The amino acid sequences of recombinant protein was derived from (Q14 - Q1208) of accession# YP009724390.1. Predicted MW of this product is ~160 kDa, however it runs higher than on reduced SDS-PAGE due to post-translational modification when expressed in mammalian cells.

                         

Applications: Antigens, Western, ELISA and other in vitro binding or in vivo functional assays, and protein-protein interaction studies; For research & development use only!

Background: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. The SARS-CoV-2 spike (S) protein is composed of two subunits; the S1 subunit contains a receptor-binding domain that engages with the host cell receptor angiotensin-converting enzyme 2 and the S2 subunit mediates fusion between the viral and host cell membranes. The S RBD protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity, during infection with SARS-CoV-2 (2019-nCoV) as in recent COVID-19 outbreak.

                         

Quantity: 50ug, Endotoxin level is < 0.1 ng/µg of protein (<1EU/µg).

                         

Purity: >90% by SDS-PAGE gel and Coomassie Blue staining

                         

Formulation: Purified protein formulated in a sterile solution of PBS buffer, pH7.2, without any preservatives

Download Data File:download pdf data sheet

Recombinant SARS-CoV-2 Spike S Protein

Recombinant SARS-CoV-2 Spike S Protein

Schematic of the SARS-CoV-2 structure; the illustration of the virus is available at doi: https://doi.org/10.1371/journal.ppat.1008762.g003.


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