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Key Documents

SAB4200889

Sigma-Aldrich

Anti-SARS-COV-2-Spike-RBD region Peroxidase conjugated antibody produced in rabbit

Sinonimo/i:

ACE2-binding protein, Angiotensin Converting Enzyme 2 (ACE2)-binding region, COVID-19 Spike protein, Coronavirus, RBD Region, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV2), Spike surface glycoprotein

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About This Item

Codice UNSPSC:
12352203

Forma fisica

lyophilized powder

Livello qualitativo

Confezionamento

vial of 100 μL

Concentrazione

3-5 mg/mL

N° accesso UniProt

Condizioni di spedizione

dry ice

Temperatura di conservazione

−20°C

modifica post-traduzionali bersaglio

unmodified

Descrizione generale

Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) or (2019-nCoV) is a novel coronavirus that had spread on December 2019 in Hubei province of China and infected millions of people worldwide.1 The causative agent of COVID-19, the SARS-CoV-2 virus is a positive-strand RNA virus .The mature SARS-CoV-2 contains 4 structural proteins: Envelope (E), Membrane (M), Nucleocapsid (N), and the Spike protein (S), E and M proteins help in viral assembly and N protein is needed for RNA synthesis. The main receptor for SARS-CoV and SARS-CoV-2 on the membrane of the target cells is the Angiotensin 2 Converting Enzyme (ACE2). ACE2 is a metallopeptidase present on the membrane of many cells, including type-I and -II pneumocytes, small intestine enterocytes, kidney proximal tubules cells, the endothelial cells of arteries and veins, and the arterial smooth muscle, among other tissues.15-16 It has been shown that SARS-CoV-2 virus employs transmembrane protease serine 2 (TMPRSS2) for S protein priming and it is speculated that furin-mediated cleavage at the S1/S2 site in infected cells, may promote subsequent TMPRSS2-dependent entry into target cells.

Specificità

Anti-SARS-CoV-2-Spike-RBD region antibody specifically recognizes Spike from COVID-19 virus origin.

Applicazioni

The antibody may be used in various immunochemical techniques including Immunoblotting and Elisa. Detection of the Spike RBD protein band by Immunoblotting is specifically inhibited by the immunogen.

Azioni biochim/fisiol

The Spike protein (S) is responsible for virus binding and entry into the host cells. SARS-CoV-2 S protein precursor is cleaved into S1 subunit (685 amino acids), and S2 (588 amino acids) subunits. S1 subunit harbor the receptor binding domain (RBD) that mediates virus entry into susceptible cells through the peptidase domain of host ACE2 with high affinity (Kd = 15 nM). S2 protein, which is reported to be well-conserved and showing 99% identity with bat coronavirus, is responsible for the membrane fusion. The Spike protein is the most studied between the coronaviruses proteins, due to its crucial role in the host cell entry, it contains the RBD for the ligand on the host cell membrane (the ACE2 protein), and also has epitopes recognized by T and B cells, which induce the production of neutralizing antibodies.2

Stoccaggio e stabilità

Store the lyophilized product at 2–8 °C. For extended storage after reconstitution, keep at –20 °C in working aliquots. Avoid repeated freeze-thaw cycles. For continuous use after reconstitution, keep at 2–8 °CC for up to 1 month. Solutions at working dilution should be discarded if not used within 12 hours.

Esclusione di responsabilità

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.Data presented is the available current product information and provided as-is. This product has not been tested or verified in any additional applications, sample types, including any clinical use. Experimental conditions must be empirically derived by the user. Our Antibody Guarantee only covers tested applications stated herein and conditions presented in our product information and is not extended to publications.

Pittogrammi

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Avvertenze

Warning

Indicazioni di pericolo

Classi di pericolo

Aquatic Chronic 3 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 2


Certificati d'analisi (COA)

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[Iatrogenic bilateral pneumothorax after tracheostomy in childhood].
V A Kharitonov et al.
Pediatriia, (7), 88-88 (1988-01-01)
Daniel Wrapp et al.
Science (New York, N.Y.), 367(6483), 1260-1263 (2020-02-23)
The outbreak of a novel coronavirus (2019-nCoV) represents a pandemic threat that has been declared a public health emergency of international concern. The CoV spike (S) glycoprotein is a key target for vaccines, therapeutic antibodies, and diagnostics. To facilitate medical
Jian Shang et al.
PLoS pathogens, 16(3), e1008392-e1008392 (2020-03-10)
Coronaviruses recognize a variety of receptors using different domains of their envelope-anchored spike protein. How these diverse receptor recognition patterns affect viral entry is unknown. Mouse hepatitis coronavirus (MHV) is the only known coronavirus that uses the N-terminal domain (NTD)
To Sing Fung et al.
Annual review of microbiology, 73, 529-557 (2019-06-22)
Human coronavirus (HCoV) infection causes respiratory diseases with mild to severe outcomes. In the last 15 years, we have witnessed the emergence of two zoonotic, highly pathogenic HCoVs: severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus
Jun Lan et al.
Nature, 581(7807), 215-220 (2020-04-01)
A new and highly pathogenic coronavirus (severe acute respiratory syndrome coronavirus-2, SARS-CoV-2) caused an outbreak in Wuhan city, Hubei province, China, starting from December 2019 that quickly spread nationwide and to other countries around the world1-3. Here, to better understand the

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