| Product Includes | Product # | Quantity | Mol. Wt | Isotype/Source |
|---|---|---|---|---|
| SARS-CoV-2 Spike Protein (S1) (E5S3V) Rabbit mAb | 99423 | 20 µl | 110, 220 kDa | Rabbit IgG |
| SARS-CoV-2 Spike Protein (RBD) (E7B3E) Rabbit mAb | 63847 | 20 µl | 110, 220 kDa | Rabbit IgG |
| Cleaved SARS-CoV-2 Spike Protein (Ser686) Antibody | 84534 | 20 µl | 100 kDa | Rabbit |
| ACE2 (E5O6J) XP® Rabbit mAb | 92485 | 20 µl | 120-135 kDa | Rabbit IgG |
| Neuropilin-1 (D62C6) Rabbit mAb | 3725 | 20 µl | 120-140 kDa | Rabbit IgG |
| Basigin/EMMPRIN (E1S1V) Rabbit mAb | 13287 | 20 µl | 38-58 kDa | Rabbit IgG |
| Furin Antibody | 43996 | 20 µl | 90 kDa | Rabbit |
| Cathepsin L Antibody | 71298 | 20 µl | 25-42 kDa | Rabbit |
| Anti-rabbit IgG, HRP-linked Antibody | 7074 | 100 µl | Goat |
Please visit cellsignal.com for individual component applications, species cross-reactivity, dilutions, protocols, and additional product information.
Description
The SARS-CoV-2 Virus-Host Interaction Antibody Sampler Kit provides an economical means of detecting key viral and host proteins involved in SARS-CoV-2 infection of human host cells. The kit includes enough antibodies to perform two western blot experiments with each primary antibody.
Storage
Background
The cause of the COVID-19 pandemic is a novel and highly pathogenic coronavirus, termed SARS-CoV-2 (severe acute respiratory syndrome coronavirus-2). SARS-CoV-2 is a member of the Coronaviridae family of viruses (1). The SARS-CoV-2 virion is comprised of four key structural proteins: spike (S), envelope (E), membrane (M), and nucleocapsid (N) (2). Coronavirus spike proteins are class I fusion proteins and harbor an ectodomain, a transmembrane domain, and an intracellular tail (3,4). The highly glycosylated ectodomain projects from the viral envelope surface and facilitates attachment and fusion with the host cell membrane. The ectodomain can be further subdivided into the receptor-binding domain (RBD) S1 and membrane-fusion (S2) subunits, which are produced upon proteolysis by host proteases. S1 and S2 subunits are reassociated after cleavage, assembling into crown-like homotrimers (2,4).
The SARS-CoV-2 spike protein contains a novel tetrabasic "furin cleavage site" (FCS) at the S1/S2 junction. Research studies suggest this site is cleaved by proprotein convertases (e.g., furin) or lysosomal proteases (e.g., cathepsin L) (5,6). S1/S2 cleavage elicits a confirmational change in the spike protein that positions elements of the trimeric RBD in an exposed "up" position, priming it for interaction with host receptor proteins. Cleavage can occur at multiple steps of the viral lifecycle, including during viral packaging, or upon contact of the intact virion with the host cell surface. This novel cleavage event has been suggested to contribute to the high infectivity rate of the SARS-CoV-2 virus (7).
The SARS-CoV-2 virus has been shown to utilize the angiotensin-converting enzyme 2 (ACE2) protein as its primary receptor for cellular entry (8). However, research studies have suggested that other cell surface proteins may serve as receptors or co-receptors for SARS-CoV-2. These include neuropilin-1 (NPN1), a single-pass transmembrane receptor that can function as part of a semaphorin receptor complex, and as a vascular endothelial growth factor (VEGF) receptor (9), and Basigin/EMMPRIN (CD147), a type I integral membrane receptor belonging to the immunoglobulin superfamily (10).
- Zhou, P. et al. (2020) Nature 579, 270-273.
- Tortorici, M.A. and Veesler, D. (2019) Adv Virus Res 105, 93-116.
- Li, F. et al. (2006) J Virol 80, 6794-800.
- Li, F. (2016) Annu Rev Virol 3, 237-261.
- Coutard, B. et al. (2020) Antiviral Res 176, 104742.
- Jaimes, J.A. et al. (2020) iScience 23, 101212.
- Hasan, A. et al. (2021) J Biomol Struct Dyn 39, 3025-3033.
- Shang, J. et al. (2020) Nature 581, 221-224.
- Cantuti-Castelvetri, L. et al. (2020) Science 370, 856-860.
- Wang, K. et al. (2020) Signal Transduct Target Ther 5, 283.
Background References
Trademarks and Patents
限制使用
除非 CST 的合法授书代表以书面形式书行明确同意，否书以下条款适用于 CST、其关书方或分书商提供的书品。 任何书充本条款或与本条款不同的客书条款和条件，除非书 CST 的合法授书代表以书面形式书独接受， 否书均被拒书，并且无效。
专品专有“专供研究使用”的专专或专似的专专声明， 且未专得美国食品和专品管理局或其他外国或国内专管机专专专任何用途的批准、准专或专可。客专不得将任何专品用于任何专断或治专目的， 或以任何不符合专专声明的方式使用专品。CST 专售或专可的专品提供专作专最专用专的客专，且专用于研专用途。将专品用于专断、专防或治专目的， 或专专售（专独或作专专成）或其他商专目的而专专专品，均需要 CST 的专独专可。客专：(a) 不得专独或与其他材料专合向任何第三方出售、专可、 出借、捐专或以其他方式专专或提供任何专品，或使用专品制造任何商专专品，(b) 不得复制、修改、逆向工程、反专专、 反专专专品或以其他方式专专专专专品的基专专专或技专，或使用专品开专任何与 CST 的专品或服专专争的专品或服专， (c) 不得更改或专除专品上的任何商专、商品名称、徽专、专利或版专声明或专专，(d) 只能根据 CST 的专品专售条款和任何适用文档使用专品， (e) 专遵守客专与专品一起使用的任何第三方专品或服专的任何专可、服专条款或专似专专
