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- Human CellExp™ SARS-CoV-2 S1 (N501Y), Recombinant
Biovision
Human CellExp™ SARS-CoV-2 S1 (N501Y), Recombinant
- SKU:
- 26-P1665
- UPC:
- MPN:
- Availability:
- Usually Shipped in 5 Working Days
- Storage Temperature:
- -20°C
- Shipping Conditions:
- Gel Pack
- Shelf Life:
- 12 months
Description
Biomolecule/Target: N/A
Synonyms: S1 Protein, Spike glycoprotein subunit1, S glycoprotein subunit1, SARS-CoV-2 S1 Protein
Alternates names: S1 Protein, Spike glycoprotein subunit1, S glycoprotein subunit1, SARS-CoV-2 S1 Protein
Taglines: A key protein in allowing viral entry into host cells
Taglines: USA
Country of Animal Origin: USA
NCBI Gene ID #.: 43740568
NCBI Gene Symbol: N/A
Gene Source: SARS-CoV-2
Accession #: P0DTC2
Recombinant: True
Source: HEK 293 cells
Purity by SDS-PAGE #: > 95% SDS-PAGE
Assay: N/A
Purity: N/A
Assay #2: N/A
Endotoxin Level: N/A
Activity (Specifications/test method): N/A
Biological activity: N/A
Results: N/A
Binding Capacity: N/A
Unit Definition: N/A
Molecular Weight: ~120 kDa (8xHis tag at the C-terminus)
Concentration: N/A
Appearance: Lyophilized protein
Physical form description: Lyophilized powder
Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in sterile PBS (pH 7.4). Do not vortex.
Background Information: SARS-CoV-2, the causative virus of COVID-19, uses the viral Spike (S) protein for host cell attachment and entry. The virus uses multiple host targets including the human protease Furin, Angiotensin converting enzyme 2 (ACE2), Neuropilin-1 (NRP1) and the transmembrane protease serine 2 (TMPRSS2) for host cell entry. The S protein has two domains S1 and S2, where S1 facilitates initial binding to the receptor and the S2 domain drives the membrane fusion and eventual entry of the virus. The S glycoprotein serves as an important target for monoclonal antibodies, entry inhibitors, and vaccines. Within the S1 protein, the conserved receptor-binding domain (RBD) binds with a high affinity for ACE2. Recently, increasing concern has been garnered over the discovery of new SARS-CoV-2 variants with the ability to escape antibody-mediated protection either by previous infection or vaccination. The N501Y mutation, which occurs in the RBD, is a substitution from an asparagine (N) to tyrosine (Y) at position 501. The N501Y mutation can be found in the B.1.1.7 (U.K), B.1.351 (South African) and P.1 (Brazil) strains. Currently, the U.K. variant is of the highest concern with known attributes including 50% increased transmission, increased severity based on hospitalizations and case fatality rates, and a moderate impact on neutralization by monoclonal antibody therapeutics and convalescent/post-vaccination sera.
Amino acid sequence: Val 16 - Arg 685
Handling: Centrifuge the vial prior to opening.
Usage: For Research Use Only! Not to be used in humans
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