Hwankyu Lee wrote:
Dear Mark,

I just measured the projected XY-area (simply XY-size of box), and used typical periodic boundary condition (In g_sas, default considers PBC). In the small system (128 lipid bilayer), there is no undulation, so projected area per lipid may be almost the same as non-projected area per lipid. So, total solvent accessible surface area (the third column) should be always larger than the projected XY-area, but I observed that total SASA become smaller than the projected XY-area at some point. Could you give me some suggestions?

Show us your box dimensions at a point when you observe this to occur - or preferably a relevant chunk of both g_sas and g_energy output.

Mark
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