Article
Timing of mutation in influenza A virus hemagglutinins by means of amino-acid distribution rank and fast Fourier transform.
Protein and peptide letters - 1 Jan 2006
Wu Guang, Yan Shaomin
Abstract excerpt
In this study, we calculated the amino-acid distribution rank of 1201 hemagglutinins from influenza A viruses dated from 1918 to 2004 in order to compare them with respect to subtypes, species and years. After noticing fluctuations in distribution rank along the time course, we used the fast Fourier transform to determine the mutation periodicity of the hemagglutinins. Then we estimated our position at the...
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