[Chimera-users] fitmap

Hernando J Sosa hernando.sosa at einstein.yu.edu
Fri Jun 1 13:16:16 PDT 2012

Thanks Elaine,  I use both methods (subregion & symmetry)  and both worked well.  
I would still add limiting radius of search option to my "desired list of features" as it  would make the fitting process in certain cases easier. In any case I found chimera-fitmap to be a great tool.



-----Original Message-----
From: Elaine Meng [mailto:meng at cgl.ucsf.edu] 
Sent: Thursday, May 31, 2012 6:53 PM
To: Hernando J Sosa
Cc: chimera-users at cgl.ucsf.edu BB
Subject: Re: [Chimera-users] fitmap

Hi Hernando,
Not exactly that, but one possibility is to crop the map to the area of interest.  See Volume Viewer menu: Features... Subregion selection, use the mouse to draw a box around that area, and crop to hide the rest of the map.  By default the global search keeps the geometric center of the structure within the bounding box of the displayed part of the map, as described in the global search "placement" option:

Also, if the map is symmetrical and you want to only place the structure in one symmetric location, see the description of the "asymmetricUnit" option (i.e. if the map is symmetric but doesn't have symmetry information attached to it in Chimera, you might be able add that information with the "measure symmetry" command).

Elaine C. Meng, Ph.D. 
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab Department of Pharmaceutical Chemistry University of California, San Francisco

On May 31, 2012, at 3:25 PM, Hernando J Sosa wrote:

> Thanks Elaine. That certainly help. 
> Now I have another question I see that the global search can be restricted in shift or rotation but can it also be restricted to a certain radius from the current position ?  
> Thanks

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