[gmx-users] Interaction study for peptide-receptor..
ramadavidgroup at gmail.com
Thu Oct 4 13:27:04 CEST 2012
thank you Justin for reply.
I dont know about long range interactions.
But as I freeze the group I think it will improve my computational speed.
So is there any way to find out or decide which group should be
freeze, and which group should affect my interaction most probably??
Should I do Essential Dynamics ??? or Principle component analysis ???
Would you suggest me any general protocol for such work??
Thank you in Advance
With Best Wishes and regards.
On Thu, Oct 4, 2012 at 3:57 PM, Justin Lemkul <jalemkul at vt.edu> wrote:
> On 10/4/12 2:01 AM, rama david wrote:
>> Hi gromacs Friends,
>> I want to do peptide-receptor ( Protein) interaction
>> study.Receptor consist a single chain.
>> Peptide is made up of 4 amino acids. I know the interaction pattern of
>> peptide and receptor.
>> I plan to mutate single residue each at a time and run 4 simulation .
>> So I will have the 4 different simulation that contain the mutated
>> and the wild one.
>> Then afterward from the interaction energy I want to select the peptide
>> which is showing
>> stronger interaction than others.
>> As mention I know the binding site, If I freeze the remaining portion in
>> that not involved in binding , Is it going to affect my screening process
> Potentially. Do you know that the binding interactions and the mutations
> will only perturb local residues? Do you know that there are no long-range
> motions to be considered?
> I think you gain very little by freezing portions of the system, and risk
> more than you gain.
> Justin A. Lemkul, Ph.D.
> Research Scientist
> Department of Biochemistry
> Virginia Tech
> Blacksburg, VA
> jalemkul[at]vt.edu | (540) 231-9080
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