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. 2000 May 9;97(10):5334–5339. doi: 10.1073/pnas.97.10.5334

Figure 3.

Figure 3

The dUTPase COG at CSN = 4. Each of the 13 herpesviruses has a member in the dUTPase COG at CSN = 4. The HCMV and HHV7 members are connected to the rest of the COG by virtue of the minimum number of congruent BeTs to non-beta genes, and the HHV6 dUTPase is only a member at CSN = 4 because of their presence. As a result, when the CSN increases to 5, the beta herpesvirus members drop out of the COG. This mirrors and is caused by a known divergence in beta herpesvirus dUTPases. See Table 1 for definitions of virus abbreviations.