[gmx-users] Umbrella Sampling between Nanotubes

2014-02-17 Thread Steven Neumann
Dear Gmx Users, I am trying to setup the system of nanotubes with attached polypeptides. I wish to define the equlibrium distance (PMF minima) between them. However in my system, I will have 6 of them in which one is in its quarter in the rectangular each box edge copied across pbc. It is the

Re: [gmx-users] Umbrella Sampling between Nanotubes

2014-02-17 Thread Dr. Vitaly Chaban
Not sure that I got your question correctly... The atom indices, which you supply to umbrella code, can be defined as you like, without being bound to the molecules they belong to in the topology files. Therefore, if you need to restraint certain number of atoms in a system, just enumerate them