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. 2004 Sep;78(17):9007–9015. doi: 10.1128/JVI.78.17.9007-9015.2004

FIG. 3.

FIG. 3.

Infectivities of S pseudotypes. (A) Pseudotype titers for different S expression constructs. Vector titers were calculated from end point dilutions on Vero cells and are displayed as TU per milliliter of supernatant (mean ± standard deviation from up to four independent experiments). Envelope proteins of VSV and LCMV were used as positive controls. (B) Infectivities of CΔ19 pseudotypes in the presence of 1, 10, and 25 μM AZT, with HIV-1 core proteins, and with an HA tag without concentration and after 60× concentration by ultracentrifugation. Infectious titers were determined on Vero cells.