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. 2012 Apr 18;7(4):e33502. doi: 10.1371/journal.pone.0033502

Figure 1. Most HIV-1 genes are divergent from human coding sequences.

Figure 1

The distribution of human coding sequences is represented according to their length (log scale) and nucleotidic divergence, as measured by the Chi-square distance relative to average composition of all human coding sequences. The colored background shows the density of human coding sequences as indicated on the z-scale. Black dots represent either single HIV-1 genes or the entire HIV-1 genome. Note the distinguishable positions of the gag, pol, env and vpu genes.