Fig. 6. Binding of F-Id-3o and Id-3o in the most populated clusters. (A) F-Id-3o binds to HIV-1 CA. (B) F-Id-3o binds to HIV-2 CA. (C) Id-3o binds to HIV-1 CA. (D) Id-3o binds to HIV-2 CA. Yellow dashes: hydrogen bonds; green dashes: pi–cation; cyan dashes: pi–pi stacking; magenta dashes: salt bridges. The CTD is shown in gray and NTD in green.