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. 2010 May 12;84(14):7412–7415. doi: 10.1128/JVI.02548-09

TABLE 1.

Comparison of evolutionary rates in HIV-1 and HIV-2

Genetic regiona HIV type Substitution rate at 10−3 substitutions site−1 year−1 (95% HPDb)
SU HIV-2 10.15 (7.56, 12.87)
SU HIV-1 6.36 (5.18, 7.59)
V3 HIV-2 29.37 (23.25, 35.84)
V3 HIV-1 12.26 (10.24, 14.50)
a

SU, the complete major surface glycoprotein (gp125/gp120); V3, the third variable loop of the env gene.

b

HPD, highest posterior density.