Dear gmx-users, <br>I am working on membrane proteins, I have done position restrain step successfully but, I have doubt about that tc_grps how to use? I have searched in gmx-archives regrading this problem , but I found controversial answers like 1.tc_grps - protein sol Cl<br>
2. tc_grps - protein sol_Cl<br> 3. tc_grps - protein Non-protein<br>Thanks in advance.<br>