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Frequent Toggling between Alternative Amino Acids Is Driven by Selection in HIV-1

Figure 5

Amino acid diversity at positively selected sites.

Amino acid sequence logos [73] of positively selected sites, diversifying selection (D), toggling (T), or both (D&T), indexed by HXB2 position in nef are shown.

Figure 5

doi: https://doi.org/10.1371/journal.ppat.1000242.g005