Article
Immunization by avian H5 influenza hemagglutinin mutants with altered receptor binding specificity.
Science (New York, N.Y.) - 10 Aug 2007
Yang Zhi-Yong, Wei Chih-Jen, Kong Wing-Pui, Wu Lan, Xu Ling, Smith David F, Nabel Gary J
Abstract excerpt
Influenza virus entry is mediated by the receptor binding domain (RBD) of its spike, the hemagglutinin (HA). Adaptation of avian viruses to humans is associated with HA specificity for alpha2,6- rather than alpha2,3-linked sialic acid (SA) receptors. Here, we define mutations in influenza A subtype H5N1 (avian) HA that alter its specificity for SA either by decreasing alpha2,3- or increasing alpha2,6-SA...
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