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 >  Protein>Spike S1 >S1N-C52H2

SARS-CoV-2 (COVID-19) S1 protein, His Tag

分子别名(Synonym)

Spike,S1 protein,Spike glycoprotein Subunit1,S glycoprotein Subunit1,Spike protein S1

表达区间及表达系统(Source)

SARS-CoV-2 S1 protein, His Tag (S1N-C52H2) is expressed from human 293 cells (HEK293).

Predicted N-terminus: Val 16

蛋白结构(Molecular Characterization)

This protein carries a polyhistidine tag at the C-terminus

The protein has a calculated MW of 76.9 kDa. The protein migrates as 110-120 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>95% as determined by SDS-PAGE.

制剂(Formulation)

Supplied as 0.2 μm filtered solution in 10 mM PB, 50 mM NaCl, pH7.4.

Contact us for customized product form or formulation.

运输(Shipping)

This product is supplied and shipped with dry ice, please inquire the shipping cost.

存储(Storage)

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:

  1. The product MUST be stored at -70°C or lower upon receipt;
  2. -70°C for 12 months under sterile conditions.
 

电泳(SDS-PAGE)

Spike S1 SDS-PAGE

SARS-CoV-2 S1 protein, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

 

活性(Bioactivity)-ELISA

Spike S1 ELISA

Immobilized SARS-CoV-2 S1 protein, His Tag (Cat. No. S1N-C52H2) at 2 μg/mL (100 μL/well) can bind Monoclonal Anti-SARS-CoV-S protein RBD Antibody, Human IgG1 with a linear range of 0.2-6 ng/mL (QC tested).

Protocol

 

背景(Background)

It's been reported that Coronavirus 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.

文献引用(Citations)

 

前沿进展

 
 
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