Re: [AMBER] protein-protein complex dissociation

From: Núbia Toman <nnubiaits.hotmail.com>
Date: Thu, 16 Apr 2020 13:36:13 +0000

Yes, I have done it.
Also tried several combinations of the autoimage to verify it was a re-image problem, but apparenctly was not.

Nubia P. Toman
PhD student, Bioinformatics
Universidade Federal de Minas Gerais

________________________________
De: Carlos Simmerling <carlos.simmerling.gmail.com>
Enviado: quinta-feira, 16 de abril de 2020 10:21
Para: AMBER Mailing List <amber.ambermd.org>
Assunto: Re: [AMBER] protein-protein complex dissociation

Have you done a control on the wild type to see that it is more stable?
Then you can have more confidence that the observation is due to the
mutation.

On Thu, Apr 16, 2020, 9:18 AM Núbia Toman <nnubiaits.hotmail.com> wrote:

> Dear Amber users,
>
> I performed 1 us MD simulation of a protein-protein complex. After about
> 200ns the complex seemed to start to disassociate and continued partially
> dissociated 70% of the simulation after that it returns to its initial
> position (bound).
>
> This system has a mutation that drastically decreases the binding affinity
> and the simulation results seemed to agree with experimental data. But I am
> wondering if this partial dissociation is a random thing or could be due to
> the effect of the mutation.
>
> Can anyone help me with that?
>
> Best,
>
> Nubia P. Toman
> PhD student, Bioinformatics
> Universidade Federal de Minas Gerais
>
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Received on Thu Apr 16 2020 - 07:00:02 PDT
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