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Figure 4 | Retrovirology

Figure 4

From: Complementation of diverse HIV-1 Env defects through cooperative subunit interactions: a general property of the functional trimer

Figure 4

Complementation with Envs containing point mutations in the gp41 fusion peptide. The vaccinia system was employed to assay cell fusion between effector cells expressing Envs and target cells expressing CD4 either with (filled bars) or without (open bars) CXCR4. Within each section, effector cells expressed the indicated Envs either individually (top section) or in combination with the indicated nonfunctional Envs (bottom section): A. LAV-BS, B. LAV-B3, C. SF162 (wt).

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