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Figure 6 | BMC Evolutionary Biology

Figure 6

From: Evolutionary interactions between haemagglutinin and neuraminidase in avian influenza

Figure 6

Log( d N / d S ) values across avian influenza H7 HA1 sites, on different NA subtype backgrounds. The natural logarithm of the d N /d S values from was taken, so that sites with log(d N /d S ) > 0 corresponded to d N /d S > 1, and sites with log(d N /d S ) < 0 corresponded to d N /d S < 1 (the value log(d N /d S ) = 0, i.e. d N /d S =‚ÄČ1, is shown as a dotted red line). The d N /d S values for each site are colour coded according to the background NA subtype. Codon sites correspond to the H3 numbering.

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