Structure of a Classical Broadly Neutralizing Stem Antibody in Complex with a Pandemic H2 Influenza Virus Hemagglutinin
Identifieur interne : 000488 ( Pmc/Curation ); précédent : 000487; suivant : 000489Structure 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.
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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<series><title level="j">Journal of Virology</title>
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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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<front><journal-meta><journal-id journal-id-type="nlm-ta">J Virol</journal-id>
<journal-id journal-id-type="iso-abbrev">J. Virol</journal-id>
<journal-id journal-id-type="hwp">jvi</journal-id>
<journal-id journal-id-type="pmc">jvi</journal-id>
<journal-id journal-id-type="publisher-id">JVI</journal-id>
<journal-title-group><journal-title>Journal of Virology</journal-title>
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<issn pub-type="ppub">0022-538X</issn>
<issn pub-type="epub">1098-5514</issn>
<publisher><publisher-name>American Society for Microbiology</publisher-name>
<publisher-loc>1752 N St., N.W., Washington, DC</publisher-loc>
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<article-meta><article-id pub-id-type="pmid">23552413</article-id>
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<article-id pub-id-type="publisher-id">02975-12</article-id>
<article-id pub-id-type="doi">10.1128/JVI.02975-12</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Structure and Assembly</subject>
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<title-group><article-title>Structure of a Classical Broadly Neutralizing Stem Antibody in Complex with a Pandemic H2 Influenza Virus Hemagglutinin</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Dreyfus</surname>
<given-names>Cyrille</given-names>
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<xref ref-type="aff" rid="aff1"><sup>a</sup>
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<contrib contrib-type="author"><name><surname>Ekiert</surname>
<given-names>Damian C.</given-names>
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<xref ref-type="aff" rid="aff1"><sup>a</sup>
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<xref ref-type="author-notes" rid="FN1">*</xref>
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<contrib contrib-type="author" corresp="yes"><name><surname>Wilson</surname>
<given-names>Ian A.</given-names>
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<xref ref-type="aff" rid="aff2"><sup>b</sup>
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<aff id="aff1">Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California, USA<label>a</label>
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<aff id="aff2">Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, California, USA<label>b</label>
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<author-notes><corresp>Address correspondence to Ian A. Wilson, <email>wilson@scripps.edu</email>
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<fn id="FN1" fn-type="present-address"><label>*</label>
<p>Present address: Damian C. Ekiert, Department of Microbiology and Immunology, University of California—San Francisco, San Francisco, California, USA.</p>
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<pub-date pub-type="ppub"><month>6</month>
<year>2013</year>
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<volume>87</volume>
<issue>12</issue>
<fpage>7149</fpage>
<lpage>7154</lpage>
<history><date date-type="received"><day>22</day>
<month>10</month>
<year>2012</year>
</date>
<date date-type="accepted"><day>25</day>
<month>3</month>
<year>2013</year>
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<permissions><copyright-statement>Copyright © 2013, American Society for Microbiology. All Rights Reserved.</copyright-statement>
<copyright-year>2013</copyright-year>
<copyright-holder>American Society for Microbiology</copyright-holder>
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<abstract><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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