Target intelligence / Profile preview

Spike Protein of SARS-CoV-2 (S protein)

Target: S protein
Molecular classification: Viral fusion glycoprotein, Glycoprotein

Overview

The spike (S) protein of SARS-CoV-2 is a large, trimeric glycoprotein that protrudes from the viral surface and is essential for viral entry into host cells. It mediates attachment to the host cell receptor and subsequent membrane fusion, making it a critical target for diagnostics, therapeutics, and vaccine development.

Other names: SARS-CoV-2 SpikeSpike glycoproteinS proteinRBD (Receptor Binding Domain)

Mechanism of action

Attachment to host cell receptor ACE2 and subsequent membrane fusion

Biological functions

Receptor bindingMembrane fusionViral entryImmune evasion

Disease associations

Infection

Safety considerations

Antibody-dependent enhancement (ADE)Potential for immune escape with mutations

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