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. 2015 Mar 18;10(3):e0119879. doi: 10.1371/journal.pone.0119879

Fig 6. Impact of soluble gp120 on viral entry.

Fig 6

For each experiment, TZM-bl cells were infected with cell culture supernatants containing virus equal to 0,5 ng p24 antigen in a volume of 100 μl and in the presence of 7,5 ng sgp120/ml. Soluble gp120 was produced in HeLa-P4 cells using pSVATGrev expression vectors for sgp120-RRR and sgp120-KKK. White bars, experiments with KKK-viruses and RRR-sgp120. Black bars, experiments with RRR-viruses and KKK-sgp120. +, indicate the component parts of each virus/sgp120 experiment. Shown are the means and standard deviations based on three experiments.