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

TABLE 2.

Rates of synonymous and nonsynonymous substitutions of the SU region

Genetic regiona HIV type Substitution rate at 10−3 substitutions site−1 year−1 (95% HPDb)
Synonymous Nonsynonymous
SU HIV-2 13.38 (9.51, 17.43) 8.54 (6.27, 10.90)
SU HIV-1 7.06 (5.40, 8.82) 6.01 (4.85, 7.32)
a

SU, the complete major surface glycoprotein (gp125/gp120).

b

HPD, highest posterior density.