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American Society for Microbiology, Journal of Virology, 7(90), p. 3794-3799, 2016

DOI: 10.1128/jvi.03052-15

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Amino acid substitutions that affect receptor binding and stability of the hemagglutinin of influenza A/H7N9 virus

Journal article published in 2016 by Eefje J. A. Schrauwen, Mathilde Richard, David F. Burke ORCID, Guus F. Rimmelzwaan, Sander Herfst, Ron A. M. Fouchier
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

ABSTRACT Receptor-binding preference and stability of hemagglutinin have been implicated as crucial determinants of airborne transmission of influenza viruses. Here, amino acid substitutions previously identified to affect these traits were tested in the context of an A/H7N9 virus. Some combinations of substitutions, most notably G219S and K58I, resulted in relatively high affinity for α2,6-linked sialic acid receptor and acid and temperature stability. Thus, the hemagglutinin of the A/H7N9 virus may adopt traits associated with airborne transmission.