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Antigenic Mapping of the Hemagglutinin of an H9N2 Avian Influenza Virus Reveals Novel Critical Amino Acid Positions in Antigenic Sites

16 Jan 2014

Abstract excerpt

H9N2 influenza virus is undergoing extensive genetic and antigenic evolution, warranting detailed antigenic mapping of its hemagglutinin (HA). Through examining antibody escape mutants of an Asian avian H9N2 virus, we identified 9 critical amino acid positions in H9 antigenic sites. Five of these positions, 164, 167, 168, 196, and 207, have not been reported previously and, thus, represent novel molecular markers...

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PMID: 24429369
DOI: 10.1128/jvi.03440-13

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