Table 2.

Genes under positive selection.

Gene name	Protein	p value	Clusters
ndd	Host nucleoid disruption protein	0.0096557	IV-A, IV-B
6	gp6 base plate wedge component	0.0126069	IV-A, IV-Ba, V, VI
N/A	Hypothetical proteinb	0.0143135	I
44	gp44 clamp-loader subunit	0.0212075	IV-A, IV-B, V, VI
60plus39	Topoisomerase II large subunit	0.04291	IV-A, IV-B, V, VI

^aThe gene contains multiple frameshifts for AS4 and was consequently not added to the analysis. ^b de novo predicted by the present study.