| Catalog No. | Size | Price (USD) |
| 40590-T62-20 | 20 µL | $118.49 |
| 40590-T62-50 | 50 µL | $222.17 |
| 40590-T62-100 | 100 µL | $370.28 |
General Information
| Product name | SARS-CoV-2 (2019-nCoV) Spike S2 Antibody, Rabbit PAb, Antigen Affinity Purified |
| Validated applications | WB (FAQ Protocol), ELISA (FAQ Protocol) |
| Application notes | IHC, FCM, IF, IP et al. applications haven't been validated. (Antibody's applications haven't been validated with corresponding virus positive samples. Optimal concentrations/dilutions should be determined by the end user.) |
| Specificity | SARS-CoV-2 Spike S2 |
| Immunogen | Recombinant SARS-CoV-2 / 2019-nCoV Spike/S2 Protein (Catalog#40590-V08B) |
| Preparation | Produced in rabbits immunized with recombinant SARS-CoV-2 / 2019-nCoV Spike/S2 Protein (Catalog#40590-V08B; YP_009724390.1; Ser686-Pro1213). The specific IgG was purified by SARS-CoV-2 / 2019-nCoV Spike/S2 affinity chromatography. |
| Source | Polyclonal Rabbit IgG |
| Purification | Protein A & Antigen Affinity |
| Formulation | 0.2 μm filtered solution in PBS |
| Conjugate | Unconjugated |
| Form | Liquid |
| Shipping | This antibody is shipped as liquid solution at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. |
| Storage | This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -80℃. Preservative-Free. Avoid repeated freeze-thaw cycles. |
Image / Experimental Information
| Image 1 Description | Anti-SARS-S2 rabbit polyclonal antibody at 1:2000 dilution. Lane A: SARS-CoV-2 (2019-nCoV) Spike S2 (ECD, His tag) (Cat# 40590-V08B) (30ng) Lane B: SARS-CoV-2 (2019-nCoV) Spike S2 (ECD, His tag) (Cat# 40590-V08B) (5ng) Secondary Goat Anti-Rabbit IgG (H+L)/HRP at 1/10000 dilution. Developed using the ECL technique. Performed under reducing conditions. |
| Image 1 Alt Text | 2019-nCoV CoV spike Western blot (WB) 29835 |
| Image 1 URL | Source image |
Background Information
| Description | 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), 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 SARS-CoV-2 (COVID-19 coronavirus, 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. |
| References |
|
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Casner","...","David D. 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