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Modeling of the SOS reversions in structure model of the HIV-1 gp41 ectodomain [18]. The Cα atoms of the relevant residues are indicated as spheres in fig. A and B, using the following color scheme: C605 is yellow, L593 is cyan, and Q591 is purple. The side chains in fig. C and D, use the same color scheme. Panels A and C depict a side view of the gp41 loop region, panels B and D a top view from the perspective of the target membrane (and of gp120).
