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Recombinant 2019-nCoV Spike Protein (RBD-SD1, Avi-His Tag)(Active)

  • Cat.No.:PKSR030478

  • Expression host: Human Cells

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  • 20µg
  • 100µg
Price: $390
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Description

Synonyms 2019-nCov RBD Protein; 2019-nCoV S RBD Protein
Species Virus
Expression_host Human Cells
Sequence Arg319-Ser591
Accession QHD43416.1
Mol_Mass 33.2 kDa
AP_Mol_Mass 38-45 kDa
Tag C-Avi-6His
Bio_Activity Immobilized Human ACE-2-Fc(Cat#PKSR030492) at 2μg/ml (100 μl/well) can bind Recombinant 2019-nCoV Spike Protein, Biotinylated (RBD-SD1, Avi-His Tag) (Cat#PKSR030478). The ED50 of PKSR030478 is 0.13 ug/ml.

Properties

Purity > 95 % as determined by reducing SDS-PAGE.
Endotoxin level < 1.0 EU per µg as determined by the LAL method.
Storage Store at < -20°C, stable for 6 months. Please minimize freeze-thaw cycles.
Shipping This product is provided as liquid. It is shipped at frozen temperature with blue ice/gel packs.Upon receipt; store it immediately at<-20°C.
Formulation Supplied as a 0.2 μM filtered solution of PBS, pH 7.4.
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.

Citations

From now on, if you have published a paper by using any of our products since 1/1/2019, fill out the “Elabscience Publication Reward Application Form”carefully and send it to orders@elabscience.com, we will get back to you with the reward after we confirm it ASAP!

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