首頁 ? NCP-CoV(SARS-CoV-2) (2019-nCoV) Spike Protein (S2 ECD, His tag)新型冠狀病毒蛋白/抗體/基因表達質粒載體

NCP-CoV(SARS-CoV-2) (2019-nCoV) Spike Protein (S2 ECD, His tag)新型冠狀病毒蛋白/抗體/基因表達質粒載體

  • 價  格:¥0
  • 貨  號:NTCC-V20191029
  • 產  地:北京
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SARS-CoV-2 (2019-nCoV) Spike Protein (S2 ECD, His tag): 產品信息
純度> 90 % as determined by SDS-PAGE.
內毒素< 1.0 EU per μg protein as determined by the LAL method.
生物活性Testing in progress
蛋白構建A DNA sequence encoding the NCP-CoV(2019-nCoV) Spike Protein (S2 ECD) was expressed with a polyhistidine tag at the C-terminus.
表達宿主Baculovirus-Insect Cells
種屬2019-nCoV
預測 N 端Ser
分子量The recombinant NCP-CoV(2019-nCoV) Spike Protein (S2 ECD, His tag) consists of 539 amino acids and predicts a molecular mass of 59.37 kDa.
緩沖液Lyophilized from sterile 20 mM PB, 300 mM NaCl, 10 % glycerol, pH 7.0.
Please contact us for any concerns or special requirements.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the hard copy of CoA.
運輸方式In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
穩定性 & 儲存條件Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
復溶A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
SARS-CoV-2 (2019-nCoV) Spike Protein (S2 ECD, His tag): 圖片
SARS-CoV-2 (2019-nCoV) Spike Protein (S2 ECD, His tag): 別稱
coronavirus spike Protein, 2019-nCoV; cov spike Protein, 2019-nCoV; ncov RBD Protein, 2019-nCoV; ncov s1 Protein, 2019-nCoV; ncov s2 Protein, 2019-nCoV; ncov spike Protein, 2019-nCoV; NCP-CoV RBD Protein, 2019-nCoV; NCP-CoV s1 Protein, 2019-nCoV; NCP-CoV s2 Protein, 2019-nCoV; NCP-CoV Spike Protein, 2019-nCoV; novel coronavirus RBD Protein, 2019-nCoV; novel coronavirus s1 Protein, 2019-nCoV; novel coronavirus s2 Protein, 2019-nCoV; novel coronavirus spike Protein, 2019-nCoV; RBD Protein, 2019-nCoV; S1 Protein, 2019-nCoV; S2 Protein, 2019-nCoV; Spike RBD Protein, 2019-nCoV
CoV spike 背景信息
The spike (S) glycoprotein of coronaviruses contains protrusions that will only bind to certain receptors on the host cell. Known receptors bind S1 are ACE2, angiotensin-converting enzyme 2; DPP4, dipeptidyl peptidase-4; APN, aminopeptidase N; CEACAM, carcinoembryonic antigen-related cell adhesion molecule 1; Sia, sialic acid; O-ac Sia, O-acetylated sialic acid. The spike is 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. 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. The main functions for the Spike protein are summarized as: Mediate receptor binding and membrane fusion; Defines the range of the hosts and specificity of the virus; Main component to bind with the neutralizing antibody; Key target for vaccine design; Can be transmitted between different hosts through gene recombination or mutation of the receptor binding domain (RBD), leading to a higher mortality rate.
研究領域
Microbiology>>Pathogenic microorganism>>viruses>>Animal virus>>RNA virus>>+ssRNA virus>>Coronaviridae>>Coronavirus (CoV)>>CoV viral antigen
參考文獻
Shen S, et al. (2007) Expression, glycosylation, and modification of the spike (S) glycoprotein of SARS CoV. Methods Mol Biol. 379: 127-35.

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