Article
Binding of the hemagglutinin from human or equine influenza H3 viruses to the receptor is altered by substitutions at residue 193.
Archives of virology - 1 Aug 2004
Medeiros R, Naffakh N, Manuguerra J-C, van der Werf S
Abstract excerpt
Interactions of the hemagglutinin (HA) of influenza viruses with sialic acids (SA) are important for host range restriction. Most human H3s have a Ser193, while avian and equine H3s usually have an Asn or a Lys, respectively. To investigate the role of residue 193 in the recognition of SA, substitutions were introduced by mutagenesis within a human H3 and an equine H3. Hemadsorption assays performed on COS-1...
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