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Rabbit Anti-SARS-CoV-2 (2019-nCoV) Spike RBD  antibody (bs-41407R)
~~~促銷代碼KT202409~~~
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產(chǎn)品編號 bs-41407R
英文名稱 Rabbit Anti-SARS-CoV-2 (2019-nCoV) Spike RBD  antibody
中文名稱 SARS冠狀病毒2 Spike RBD抗體
別    名 SARS-CoV-2 spike protein; 2019-nCOV Spike protein; Spike glycoprotein; Spike protein S1; Surface glycoprotein; Spike protein RBD; SPIKE_SARS2.  
Specific References  (1)     |     bs-41407R has been referenced in 1 publications.
[IF=7.666] Qianling Su. et al. Screening, Expression, and Identification of Nanobody against SARS-CoV-2 Spike Protein. CELLS-BASEL. 2022 Jan;11(21):3355  WB ;  Escherichia coli.  
研究領(lǐng)域 細(xì)菌及病毒  
抗體來源 Rabbit
克隆類型 Polyclonal
交叉反應(yīng) (predicted: SARS-CoV-2)
產(chǎn)品應(yīng)用 ELISA=1:5000-10000
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
理論分子量 75/140kDa
性    狀 Liquid
濃    度 1mg/ml
免 疫 原 Recombinant SARS-CoV-2 Spike Protein RBD <Extracellular>
亞    型 IgG
純化方法 affinity purified by Protein A
緩 沖 液 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
保存條件 Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
注意事項 This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
PubMed PubMed
產(chǎn)品介紹 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.

Function:
attaches the virion to the cell membrane by interacting with host receptor, initiating the infection (By similarity). Binding to human ACE2 receptor and internalization of the virus into the endosomes of the host cell induces conformational changes in the Spike glycoprotein (PubMed:32142651, PubMed:32075877, PubMed:32155444). Uses also human TMPRSS2 for priming in human lung cells which is an essential step for viral entry (PubMed:32142651). Proteolysis by cathepsin CTSL may unmask the fusion peptide of S2 and activate membranes fusion within endosomes.

Post-translational modifications:
The cytoplasmic Cys-rich domain is palmitoylated. Spike glycoprotein is digested within host endosomes.
Specific enzymatic cleavages in vivo yield mature proteins. The precurssor is processed into S1 and S2 by host cell furin or another cellular protease to yield the mature S1 and S2 proteins (PubMed:32155444). Additionally, a second cleavage leads to the release of a fusion peptide after viral attachment to host cell receptor (By similarity). The presence of a furin polybasic cleavage site sets SARS-CoV-2 S apart from SARS-CoV S that possesses a monobasic S1/S2 cleavage site processed upon entry of target cells (PubMed:32155444).
Highly decorated by heterogeneous N-linked glycans protruding from the trimer surface.

SWISS:
P0DTC2

Gene ID:
43740568

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