[gmx-users] voltage for membrane?

[Peter Lai]

Albert <mailmd2011 at gmail.com> wrote:

>Dear all:
>
>   As we know that many membrane has a membrane potential with typical 
>range from -40mV to 80mV. I am just wondering is it possible to add 
>voltage for membrane protein simulation in Gromacs? If yes, and how? I 
>go through the .mdp documentation and don't find anything concerning on
>
>this.
>
>THX
>Albert
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you will have to decide what voltage across the membrane means and how it is maintained in reality and then decide whether it is important or not to your system and how simplified a model is acceptable for you. the manual suggests there is code to apply a constant electric field to the system.
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