Covid-19 coronavirus particle, illustration

Bildnummer 13258377
Covid-19 coronavirus particle, illustration
Illustration of a SARS-CoV-2 virus particle (virion) showing the ectodomains of its spike (S) proteins. The S proteins bind to receptors on cell surfaces to infect them and are targeted for vaccine development. Each S protein is composed of three identical chains that form a complex inside the virus, a membrane-spanning segment and a large ectodomain that extends outward from the virus. The outer S1 fragment (red) binds to cellular receptors, while the S2 fragment (yellow) directs fusion of the virus with the cell. S proteins are glycoproteins, which means that their ectodomains are covered with sugars that help to mask the virus from the immune system. SARS-CoV-2 causes the respiratory disease Covid-19.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Clarivan, Carlos
Bildgröße: 4800 px × 4800 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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