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	=== Function ===		=== Function ===
-	The spike protein is on the surface of SARS-CoV-2	+	The spike protein lies on the surface of SARS-CoV-2 to facilitate entry of the virus into human cells. More specifically, after SARS-CoV-2 has entered the respiratory system, its spike protein binds to the ACE2 receptor (Angiotensin Converting Enzyme Receptor 2) in the lungs.
		+	The spike protein contains two functional subunits: S1 and S2. S1 binds to the ACE2 receptor. S2 facilitates membrane fusion between the virus and host cell, allowing viral RNA to enter and replicate.
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	==Structure==		==Structure==
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		+
		+
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		+	=== Conformations ===
	===Key features===		===Key features===

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Revision as of 13:40, 25 March 2025

Contents 1 SARS-CoV-2 Spike Protein 1.1 Introduction 1.1.1 Overview of SARS-CoV-2 1.1.2 Function 1.2 Structure 1.2.1 Conformations 1.2.2 Key features 1.3 References

SARS-CoV-2 Spike Protein

Introduction

Overview of SARS-CoV-2

SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2) is a RNA virus that is responsible for the highly infectious respiratory disease, COVID-19. It is made up of four key proteins: the spike protein, the envelope protein, the membrane protein, and the nucleocapsid protein. The envelope protein is responsible for ...

Function

The spike protein lies on the surface of SARS-CoV-2 to facilitate entry of the virus into human cells. More specifically, after SARS-CoV-2 has entered the respiratory system, its spike protein binds to the ACE2 receptor (Angiotensin Converting Enzyme Receptor 2) in the lungs. The spike protein contains two functional subunits: S1 and S2. S1 binds to the ACE2 receptor. S2 facilitates membrane fusion between the virus and host cell, allowing viral RNA to enter and replicate.

Structure

Conformations

Key features

spinqualitylabelsall models Caption for this structure Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image This is a default text for your page Rachael Vavul/Sandbox 1. Click above on edit this page to modify. Be careful with the < and > signs. You may include any references to papers as in: the use of JSmol in Proteopedia [1] or to the article describing Jmol [2] to the rescue. Disease Relevance Structural highlights This is a sample scene created with SAT to by Group, and another to make of the protein. You can make your own scenes on SAT starting from scratch or loading and editing one of these sample scenes.

References

1. ↑ Hanson, R. M., Prilusky, J., Renjian, Z., Nakane, T. and Sussman, J. L. (2013), JSmol and the Next-Generation Web-Based Representation of 3D Molecular Structure as Applied to Proteopedia. Isr. J. Chem., 53:207-216. doi:http://dx.doi.org/10.1002/ijch.201300024
2. ↑ Herraez A. Biomolecules in the computer: Jmol to the rescue. Biochem Mol Biol Educ. 2006 Jul;34(4):255-61. doi: 10.1002/bmb.2006.494034042644. PMID:21638687 doi:10.1002/bmb.2006.494034042644