Structure of a Classical Broadly Neutralizing Stem Antibody in Complex with a Pandemic H2 Influenza Virus Hemagglutinin
Identifieur interne : 000825 ( Main/Curation ); précédent : 000824; suivant : 000826Structure of a Classical Broadly Neutralizing Stem Antibody in Complex with a Pandemic H2 Influenza Virus Hemagglutinin
Auteurs : Cyrille Dreyfus ; Damian C. Ekiert ; Ian A. WilsonSource :
- Journal of Virology [ 0022-538X ] ; 2013.
Descripteurs français
- KwdFr :
- Animaux, Anticorps antiviraux (), Anticorps antiviraux (immunologie), Anticorps monoclonaux (), Anticorps monoclonaux (immunologie), Anticorps neutralisants (), Anticorps neutralisants (immunologie), Cristallographie aux rayons X, Données de séquences moléculaires, Glycoprotéine hémagglutinine du virus influenza (immunologie), Grippe humaine (immunologie), Grippe humaine (virologie), Humains, Modèles moléculaires, Pandémies, Réactions croisées, Souris, Sous-type H2N2 du virus de la grippe A (immunologie), Séquence d'acides aminés, Tests de neutralisation, Virus de la grippe A (), Virus de la grippe A (immunologie), Épitopes (), Épitopes (immunologie).
- MESH :
- immunologie : Anticorps antiviraux, Anticorps monoclonaux, Anticorps neutralisants, Glycoprotéine hémagglutinine du virus influenza, Grippe humaine, Sous-type H2N2 du virus de la grippe A, Virus de la grippe A, Épitopes.
- virologie : Grippe humaine.
- Animaux, Anticorps antiviraux, Anticorps monoclonaux, Anticorps neutralisants, Cristallographie aux rayons X, Données de séquences moléculaires, Humains, Modèles moléculaires, Pandémies, Réactions croisées, Souris, Séquence d'acides aminés, Tests de neutralisation, Virus de la grippe A, Épitopes.
English descriptors
- KwdEn :
- Amino Acid Sequence, Animals, Antibodies, Monoclonal (chemistry), Antibodies, Monoclonal (immunology), Antibodies, Neutralizing (chemistry), Antibodies, Neutralizing (immunology), Antibodies, Viral (chemistry), Antibodies, Viral (immunology), Cross Reactions, Crystallography, X-Ray, Epitopes (chemistry), Epitopes (immunology), Hemagglutinin Glycoproteins, Influenza Virus (immunology), Humans, Influenza A Virus, H2N2 Subtype (immunology), Influenza A virus (classification), Influenza A virus (immunology), Influenza, Human (immunology), Influenza, Human (virology), Mice, Models, Molecular, Molecular Sequence Data, Neutralization Tests, Pandemics.
- MESH :
- chemical , chemistry : Antibodies, Monoclonal, Antibodies, Neutralizing, Antibodies, Viral, Epitopes.
- chemical , immunology : Antibodies, Monoclonal, Antibodies, Neutralizing, Antibodies, Viral, Epitopes, Hemagglutinin Glycoproteins, Influenza Virus.
- classification : Influenza A virus.
- immunology : Influenza A Virus, H2N2 Subtype, Influenza A virus, Influenza, Human.
- virology : Influenza, Human.
- Amino Acid Sequence, Animals, Cross Reactions, Crystallography, X-Ray, Humans, Mice, Models, Molecular, Molecular Sequence Data, Neutralization Tests, Pandemics.
Abstract
We report the structural characterization of the first antibody identified to cross-neutralize multiple subtypes of influenza A viruses. The crystal structure of mouse antibody C179 bound to the pandemic 1957 H2N2 hemagglutinin (HA) reveals that it targets an epitope on the HA stem similar to those targeted by the recently identified human broadly neutralizing antibodies. C179 also inhibits the low-pH conformational change of the HA but uses a different angle of approach and both heavy and light chains.
Url:
DOI: 10.1128/JVI.02975-12
PubMed: 23552413
PubMed Central: 3676097
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PMC:3676097Le document en format XML
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<term>Antibodies, Neutralizing (chemistry)</term>
<term>Antibodies, Neutralizing (immunology)</term>
<term>Antibodies, Viral (chemistry)</term>
<term>Antibodies, Viral (immunology)</term>
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<front><div type="abstract" xml:lang="en"><p>We report the structural characterization of the first antibody identified to cross-neutralize multiple subtypes of influenza A viruses. The crystal structure of mouse antibody C179 bound to the pandemic 1957 H2N2 hemagglutinin (HA) reveals that it targets an epitope on the HA stem similar to those targeted by the recently identified human broadly neutralizing antibodies. C179 also inhibits the low-pH conformational change of the HA but uses a different angle of approach and both heavy and light chains.</p>
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