SARS-CoV-2 (COVID-19) spike protein NTD (B.1.1.529/Omicron) was expressed in HEK293 cells and fused a polyhistidine at the C-terminus. Mutants: A67V, HV69-70del, T95I, G142D, VYY143-145del, N211del, L212I, ins214EPE
Target
SARS-CoV-2 spike glycoprotein
Nature
Recombinant
Tag/Conjugate
His
Molecular Weight
28.5 kDa
Alternative Names
S protein N-terminal domains; S1-NTD
Format
Lyophilized
Buffer
PBS
Preservative
None
Introduction
The spike (S) glycoprotein of coronaviruses contains protrusions that will only bind to certain receptors on the host cell: they are essential for both host specificity and viral infectivity. The term 'peplomer' is typically used to refer to a grouping of heterologous proteins on the virus surface that function together. 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 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 protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity, during infection with SARS-CoV.
Keywords
SARS-CoV-2; Coronavirus; Omicron; SARS-CoV-2 spike protein
Citations
Publication ()
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