Structure of the hepatitis C virus E1E2 glycoprotein complex

Hepatitis C virus (HCV) infection is a leading cause of chronic liver disease, cirrhosis, and hepatocellular carcinoma in humans and afflicts more than 58 million people worldwide. The HCV envelope E1 and E2 glycoproteins are essential for viral entry and comprise the primary antigenic target for ne...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 2022-10, Vol.378 (6617), p.263-269
Hauptverfasser: Torrents de la Peña, Alba, Sliepen, Kwinten, Eshun-Wilson, Lisa, Newby, Maddy L, Allen, Joel D, Zon, Ian, Koekkoek, Sylvie, Chumbe, Ana, Crispin, Max, Schinkel, Janke, Lander, Gabriel C, Sanders, Rogier W, Ward, Andrew B
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container_issue 6617
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container_title Science (American Association for the Advancement of Science)
container_volume 378
creator Torrents de la Peña, Alba
Sliepen, Kwinten
Eshun-Wilson, Lisa
Newby, Maddy L
Allen, Joel D
Zon, Ian
Koekkoek, Sylvie
Chumbe, Ana
Crispin, Max
Schinkel, Janke
Lander, Gabriel C
Sanders, Rogier W
Ward, Andrew B
description Hepatitis C virus (HCV) infection is a leading cause of chronic liver disease, cirrhosis, and hepatocellular carcinoma in humans and afflicts more than 58 million people worldwide. The HCV envelope E1 and E2 glycoproteins are essential for viral entry and comprise the primary antigenic target for neutralizing antibody responses. The molecular mechanisms of E1E2 assembly, as well as how the E1E2 heterodimer binds broadly neutralizing antibodies, remain elusive. Here, we present the cryo-electron microscopy structure of the membrane-extracted full-length E1E2 heterodimer in complex with three broadly neutralizing antibodies-AR4A, AT1209, and IGH505-at ~3.5-angstrom resolution. We resolve the interface between the E1 and E2 ectodomains and deliver a blueprint for the rational design of vaccine immunogens and antiviral drugs.
doi_str_mv 10.1126/science.abn9884
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source MEDLINE; Science Magazine
subjects Antibodies
Antiviral Agents - chemistry
Broadly Neutralizing Antibodies
Cancer vaccines
Chronic infection
Cirrhosis
Cryoelectron Microscopy
Drug development
Electron microscopy
Epitopes
Glycoproteins
Hepacivirus - chemistry
Hepacivirus - immunology
Hepatitis
Hepatitis C
Hepatitis C - virology
Humans
Liver
Liver cancer
Liver cirrhosis
Neutralizing
Protein Multimerization
Torrents
Vaccine development
Vaccines
Viral Envelope Proteins - chemistry
Viral Envelope Proteins - immunology
Viral Hepatitis Vaccines - chemistry
Viral Hepatitis Vaccines - immunology
Viruses
title Structure of the hepatitis C virus E1E2 glycoprotein complex
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