On 8/09/2011 3:55 AM, Justin A. Lemkul wrote:
Ragothaman Yennamalli wrote:
Hi,
While viewing a trajectory I am trying to see how a particular part
or group is behaving, while keeping the rest frozen (I dont want them
to move). For example, in a two domain protein keeping one domain
frozen and seeing the other domain movement or in a protein ligand
complex keeing the protein frozen and seeing the movement of the
ligand. I tried -center in trjconv and selected the group that I need
to center. Any other suggestions?
Use trjconv -fit rot+trans with a custom index group of whatever you'd
like to keep (somewhat) fixed.
... and then load two copies of your simulation in your viewer. Show
only a single frame of this group in one of them, and show only the
group whose motion is of interest with the other. I doubt this general
idea will prove very useful, however.
Mark
You cannot fix any group's position with trjconv; you can only
remove periodicity and to least-squares fitting to get a smooth
trajectory.
-Justin
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