Table 1 Maximum log-likelihood (LL) values for the nine HIV-1 ORFs under the KaD-KsD, KaV-KsV, and KaV-KsC models

Env

−95,879.1

−94,199.7

−93,958.9

< 10^-250

< 10^-104

Gag

−35,193.8

−34,706.5

−34,663.4

< 10^-230

< 10^-18

Nef

−21,444.5

−21,171

−21,114.8

< 10^-144

< 10^-24

Pol

−54,094.5

−53,342.7

−53,204

< 10^-250

< 10^-60

Rev

−10,892.2

−10,642.9

−10,639

< 10^-110

0.02

Tat

−9,316.45

−9,103.74

−9,094.84

< 10^-97

< 10^-3

Vif

−13,368.2

−13,151.4

−13,141

< 10^-100

< 10^-4

Vpr

−7,158.27

−7,084.55

−7,082.61

< 10^-34

0.14

Vpu

−10,188.1

−9,998.8

−9,974.56

< 10^-94

< 10^-10