Recombinant 2019-nCoV S1 Protein (Fc Tag) 1mg

$3,312.00

SKU: PKSR030480 Research Area: Applications:

Description

●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.
 
●Protein Construction:Recombinant 2019-nCoV S1 Protein is produced by our Mammalian expression system and the target gene encoding Gln14-Arg685 is expressed with a Fc tag at the C-terminus.
 
●Synonym:S1 protein; 2019-nCoV S1 protein; coronavirus S1 Protein; cov S1 Protein
 
●Sequence:Gln14-Arg685
 
●Fusion tag:C-Fc
 
●Accession:QHD43416.1
 
●Species:virus
 
●Expressed Host:Human Cells
 
●Purity:> 90 % as determined by reducing SDS-PAGE.
 
●Endotoxin:< 1.0 EU per µg as determined by the LAL method.   ●Mol Mass:102.2 kDa   ●AP Mol Mass:130-140 kDa   ●Formulation:Supplied as a 0.2 μM filtered solution of PBS, pH 7.4.

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