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Dimerization or oligomerization of Vpr in cells. (A) Extent of incorporation of mutant Vpr-FL and wild-type Vpr-FL into the virus particles directed by NL4-3 proviral DNA. Vpr was expressed in the context of HIV-1 proviral DNA. (B) Incorporation of mutant Vpr-FL in association with wild-type Vpr. Vpr was expressed through a heterologous promoter.
