The coronavirus Spike protein receptor binding domain (RBD) resides within the S1 subunit and is responsible for binding to host cell receptors and initiating viral infection. Past coronaviruses SARS and MERS along with the global pandemic caused by SARS-CoV-2 have sparked great interest and scientific discovery leading to new vaccines and drug development. At the heart of coronavirus biology lies the Spike protein and its receptor binding domain. The Spike RBD is a 26 kDa domain consisting of a twisted five-stranded antiparallel beta sheet and sits at the apex of each Spike protein monomer. The Spike RBD is flexible thanks to a hinge region that allows for conformational changes that expose (up or open conformation) or hide (down or closed conformation) its receptor contacts. For SARS-CoV-2, the Spike RBD recognizes and tightly binds to the human receptor ACE-2. In the closely related MERS coronavirus, human DPPIV/CD26 acts as the receptor.
Spike RBD Antibody - BSA Free
Novus Biologicals | Catalog # NBP3-37900
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Key Product Details
Species Reactivity
SARS-CoV
Applications
Western Blot, ELISA
Label
Unconjugated
Antibody Source
Polyclonal Rabbit IgG
Format
BSA Free
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Product Specifications
Immunogen
A synthetic peptide corresponding to a sequence within amino acids 350-450 of coronavirus Spike RBD (NP_828851.1).
Sequence:
ADYSVLYNSTFFSTFKCYGVSATKLNDLCFSNVYADSFVVKGDDVRQIAPGQTGVIADYNYKLPDDFMGCVLAWNTRNIDATSTGNYNYKYRYLRHGKLRP
Sequence:
ADYSVLYNSTFFSTFKCYGVSATKLNDLCFSNVYADSFVVKGDDVRQIAPGQTGVIADYNYKLPDDFMGCVLAWNTRNIDATSTGNYNYKYRYLRHGKLRP
Clonality
Polyclonal
Host
Rabbit
Isotype
IgG
Theoretical MW
139 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Scientific Data Images for Spike RBD Antibody - BSA Free
Western Blot: Spike RBD Antibody [NBP3-37900] -
Western Blot: Spike RBD Antibody [NBP3-37900] - Western blot analysis of various lysates using Spike RBD Rabbit pAb at 1:1000 dilution.Secondary antibody: HRP-conjugated Goat anti-Rabbit IgG (H+L) at 1:10000 dilution.
Lysates/proteins: 25ug per lane.
Blocking buffer: 3% nonfat dry milk in TBST.
Detection: ECL Basic Kit.
Exposure time: 10s.
Applications for Spike RBD Antibody - BSA Free
Application
Recommended Usage
Western Blot
1:500 - 1:1000
Formulation, Preparation, and Storage
Purification
Affinity purified
Formulation
PBS (pH 7.3), 50% glycerol
Format
BSA Free
Preservative
0.02% Sodium Azide
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store at -20C. Avoid freeze-thaw cycles.
Background: Spike RBD
Long Name
Spike Receptor Binding Domain
Additional Spike RBD Products
Product Documents for Spike RBD Antibody - BSA Free
Certificate of Analysis
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Product Specific Notices for Spike RBD Antibody - BSA Free
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
Related Research Areas
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