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Target intelligence / Profile preview
Spike Glycoprotein S1 N-terminal Domain (SARS-CoV-2) (Spike S1 NTD)
- Target
- Spike S1 NTD
- Molecular classification
- Glycoprotein, Viral protein, Receptor
01
Overview
The N-terminal domain (NTD) of the S1 subunit of the SARS-CoV-2 spike glycoprotein is located at residues ~14–305. The NTD plays important roles in viral infectivity, immune evasion, and as a target for neutralizing antibodies. It potentially modulates interactions with host factors beyond ACE2 and serves as a key immunogenic region, making it highly relevant for therapeutic antibody development, vaccine design, and diagnostics research.
- Other names
- SARS-CoV-2 Spike NTDS1 NTDSpike N-terminal domain
02
Mechanism of action
Neutralization of viral entry
03
Biological functions
Viral attachmentHost cell entry cofactorImmune evasionSialic acid recognition (possible)
04
Disease associations
InfectionCOVID-19Immune Escape
05
Safety considerations
Potential for immune escape through mutationsGlycan shielding may affect antibody binding
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