[gmx-users] Applying an electric field on lipids

[Sithara Perera]

Yes. The system was stable and simulations showed that the bi-layer is
before applying an electric field.

On Tue, Nov 21, 2017 at 1:59 AM, Alex <nedomacho at gmail.com> wrote:

> Do you precede your production simulation with a relaxation run without an
> electric field?
>
> Alex
>
>
>
> On 11/20/2017 12:16 PM, Sithara Perera wrote:
>
>> Dear gmx-users,
>>
>> I'm doing molecular dynamic simulations of protein interaction with lipid
>> bi layers using CGmartini force fields under an electric field.
>>
>> But when I apply the electric field and simulated for 50 ns under
>> -0.7mV/nm, the bi layer moves in the electric field and then eventually
>> reaches the bottom of simulation box. So it is not possible to see the
>> protein interaction with the bi layer. I tried applying position restrains
>> on z axis, but then the box dimensions started to change
>>
>> The bi layer a 512DPPC bi layer.
>> What can I do to fix this??
>>
>>
>>
>> ---------
>> Sithara Perera
>> USJP
>>
>
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