[gmx-users] apply PBC in protein/bilayer system

[chiloo Laohpongspaisan]

Dear All,
   
  i do MD simulation of protein in lipid bilayer. Are there any way to apply periodic boundary condition  (PBC) in two directions i.e. just XY directions ? For the gromacs option about pbc, there are only two choices (xyz, no). I think that the protein/lipid bilayer system applied pbc in all direction better not make sense than two directions (xy). Anyone can give me suggestion about this case or i misunderstand something?
   
  Thanks in advance,
  Chiloo

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