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Target intelligence / Profile preview
Spike Glycoprotein Receptor-Binding Domain (RBD)
- Target
- RBD
- Molecular classification
- Protein Domain, Glycoprotein
01
Overview
The Spike Glycoprotein Receptor-Binding Domain enables coronavirus entry by specifically recognizing host cell surface proteins like ACE2. Its structure-function relationship makes it central both to pathogenesis and immune targeting through vaccines or therapeutic antibodies. Its variability across strains influences transmissibility and cross-species infection potential.
- Other names
- S1 Receptor-Binding DomainSARS-CoV-2 RBDCoronavirus RBD
02
Mechanism of action
Inhibition of viral entry by blocking RBD-ACE2 interaction, neutralization of virus by antibody binding
03
Biological functions
Receptor bindingViral entryImmune response elicitation
04
Disease associations
InfectionCOVID-19 pathogenesis
05
Safety considerations
Antibody-dependent enhancement (ADE) of infection (theoretical risk)Evasion of neutralizing antibodies by RBD mutationsOff-target effects of RBD-targeted therapeutics
06
Interacting drugs
Neutralizing antibodies (e.g., monoclonal antibodies)
2 more in the full profile.
07
Biomarkers
RBD-specific antibody titers (for vaccine efficacy or prior infection)RBD mutations (for variant surveillance)
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