Hi everybody, I wanted to fix the whole protein with "genrestr" so that only the water molecules are flexible. I already did this once and there I had about 13 options what I want to fix so that I could select "protein" But now I only have 3 options what I can fix: System, Water, SOL. The only difference to the first time I used it is that now there is a layer of dummy atoms around my protein simulating the membrane. So my question is: How can I now only fix the protein and not the whole system. Thanks, Eva
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