WB
Vir
Endogenous
20-25
Rabbit
43740578
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Specificity / Sensitivity
Species Reactivity:
Virus
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Ala76 of SARS-CoV-2 Nsp1 protein. Antibodies are purified by peptide affinity chromatography.
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 genome of SARS-CoV-2 is relatively large and encodes up to 29 open reading frames (ORFs). These include ORF1a and ORF1b (further processed into 16 non-structural proteins), 9 accessory proteins, and 4 canonical structural proteins: spike (S), envelope (E), membrane (M), and nucleocapsid (N) (2). Nsp1 is the first protein to be translated from the viral RNA by the eukaryotic translational machinery. It has previously been shown that Nsp1 from SARS-CoV inhibits the host response to viral RNA by inhibiting host cell translation including mRNA encoding Type 1 interferon (3). The ability of SARS-CoV-2 Nsp1 has also been shown to exert inhibition of host cell translation, specifically by binding to the 40S ribosomal subunit, and competing out entry of M7 G capped eukaryotic mRNA to the entry channel of the pre-initiation translation complex (4,5).
- Zhou, P. et al. (2020) Nature 579, 270-273.
- Tortorici, M.A. and Veesler, D. (2019) Adv Virus Res 105, 93-116.
- Narayanan, K. et al. (2008) J Virol 82, 4471-9.
- Schubert, K. et al. (2020) Nat Struct Mol Biol 27, 959-966.
- Lapointe, C.P. et al. (2021) Proc Natl Acad Sci U S A 118, e2017715118. doi: 10.1073/pnas.2017715118.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
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