Mouse anti-SARS-CoV-2 S Monoclonal Antibody
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Mouse anti-SARS-CoV-2 S Monoclonal Antibody

Mouse anti-SARS-CoV-2 S Monoclonal Antibody — Subunit of the fusion protein that is processed upon entry into the host cell.

SKU: BCREC-000605MA Categories: ,
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Product Specifications

Uniprot No.P0DTC2
Species ReactivityMouse
ImmunogenRecombinant Human Novel Coronavirus Spike glycoprotein (S) (319-541aa)
Immunogen SpeciesHuman Novel Coronavirus (SARS-CoV-2/ 2019-nCoV)
ConjugateNon-conjugated
ClonalityMonoclonal
ApplicationsELISA
BufferPBS, 50% glycerol, 0.05% Proclin 300, 0.05%BSA
StorageUpon receipt, store at -20°C or -80°C. Avoid repeated freeze.

Function

Subunit of the fusion protein that is processed upon entry into the host cell. Mediates fusion of the virion and cellular membranes by functioning as a class I viral fusion protein. Contains a viral fusion peptide that is unmasked after S2 cleavage.

Biological Context

Subcellular Location: Virion membrane (Single-pass type I membrane protein); Host endoplasmic reticulum-Golgi intermediate compartment membrane (Single-pass type I membrane protein); Host cell membrane (Single-pass type I membrane protein)

Product Specifications

Mouse anti-SARS-CoV-2 S Monoclonal Antibody is a recombinant protein. Suitable for ELISA and Western Blot applications.

SDS-PAGE: Single band at expected molecular weight confirming purity.

ELISA: Suitable as coating antigen or detection standard.

Western Blot: Compatible with standard Western Blot protocols.

Protein Interaction: Validated for SPR (Surface Plasmon Resonance) and BLI (Bio-Layer Interferometry) studies.

Shipping: Shipped at ambient temperature. Lyophilized protein is stable during transit.

Storage: Store lyophilized protein at -20°C to -80°C. Reconstituted protein should be aliquoted and stored at -80°C. Avoid repeated freeze-thaw cycles.

Shelf Life: 12 months from date of receipt when stored as recommended.

Shipping Time: Orders placed before 2 PM EST ship same day. International orders typically deliver within 5-10 business days.

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Protein Biology

Function

Subunit of the fusion protein that is processed upon entry into the host cell. Mediates fusion of the virion and cellular membranes by functioning as a class I viral fusion protein. Contains a viral fusion peptide that is unmasked after S2 cleavage. This cleavage can occur at the cell membrane by host TMPRSS2 or during endocytosis by host CSTL (PubMed:32703818, PubMed:34159616). In either case, this triggers an extensive and irreversible conformational change that leads to fusion of the viral envelope with the cellular cytoplasmic membrane, releasing viral genomic RNA into the host cell cytoplasm (PubMed:34561887). Under the current model, the protein has at least three conformational states: pre-fusion native state, pre-hairpin intermediate state, and post-fusion hairpin state. During fusion of the viral and target cell membranes, the coiled coil regions (heptad repeats) adopt a trimer-of-hairpins structure and position the fusion peptide in close proximity to the C-terminal region of the ectodomain. Formation of this structure appears to promote apposition and subsequent fusion of viral and target cell membranes

Subcellular Location

Virion membrane (Single-pass type I membrane protein); Host endoplasmic reticulum-Golgi intermediate compartment membrane (Single-pass type I membrane protein); Host cell membrane (Single-pass type I membrane protein)

Subunit

Binds to host ACE2 (PubMed:32075877, PubMed:32132184, PubMed:32155444, PubMed:32221306, PubMed:32225175, PubMed:32225176, PubMed:33607086). RBD also interacts with the N-linked glycan on 'Asn-90' of ACE2 (PubMed:33607086). Cleavage of S generates a polybasic C-terminal sequence on S1 that binds to host Neuropilin-1 (NRP1) and Neuropilin-2 (NRP2) receptors (PubMed:33082293, PubMed:33082294). Interacts with host integrin alpha-5/beta-1 (ITGA5:ITGB1) and with ACE2 in complex with integrin alpha-5/beta-1 (ITGA5:ITGB1) (PubMed:33102950). May interact via cytoplasmic c-terminus with M protein (PubMed:33229438). May interact (via N-terminus) with host bilirubin and biliverdin, thereby preventing antibody binding to the SARS-CoV-2 spike NTD via an allosteric mechanism (PubMed:33888467). May interact with host LRRC15, thereby allowing attachment to host cells (PubMed:36735681)

Gene: S  |  Organism: Severe acute respiratory syndrome coronavirus 2  |  Synonyms: E2; Peplomer protein
Key Publications

Frequently Asked Questions

How do I order or inquire about this product?

Fill out the Online Inquiry form with your required quantity and specifications. You can also email sales@biocrestsci.com. Our team typically responds within 4 business hours with a quote and availability confirmation.

What is the shipping and delivery time?

Orders placed before 2 PM EST ship the same day. Domestic (US) delivery typically takes 2-3 business days. International orders deliver within 5-10 business days. All products are shipped at ambient temperature with appropriate packaging to ensure stability.

How should I store this recombinant protein?

Lyophilized proteins should be stored at -20°C to -80°C upon receipt. After reconstitution, aliquot and store at -80°C. Avoid repeated freeze-thaw cycles. Shelf life is 12 months from date of receipt when stored as recommended.

What quality controls are performed on your products?

Each product undergoes SDS-PAGE purity analysis (typically >85-95%), endotoxin testing, and bioactivity validation. Products are validated for ELISA, Western Blot, and SPR/BLI applications as specified on this product page. A Certificate of Analysis (CoA) is available upon request.

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