[Chimera-users] Q about opening two structures in the same window

Elaine Meng meng at cgl.ucsf.edu
Thu Aug 6 11:49:36 PDT 2009

Hi Farhana,
You can open several different structures from different files and  
display them all in the same window.  It sounds like you figured that  
part out already.

Then you can freeze/freeze structures (we call that "activation" and  
"deactivation" for motion) so that only the active ones can be moved  
with the mouse.  Activation/deactivation can be controlled in several  

   - checkboxes under the Command Line (show with Favorites... Command  
   - Model Panel (Favorites... Model Panel), checkboxes in the Active  
column and/or various "activate" function buttons on the right
   - with the "select" command

See <http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/mouse.html#activedef 

Or if you are moving structures with commands, in newer versions of  
Chimera (1.4, so daily builds), you can specify which models you want  
to move.  Movement commands include "move" (translation) and  
"turn" (rotation).


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

On Aug 6, 2009, at 11:08 AM, Farhana F Syed wrote:

> Hello,
> I recently downloaded chimera and have been using to view my protein  
> homology model - mainly to show the 2 residues that could be  
> involved in binding to a molecule inside the cell. For that purpose,  
> I need to be able to open the small molecule (citrate or phosphate)  
> in the same window with protein; so I can show the small molecule  
> binds to the specific amino acid residues. But even if I open the  
> two together, how do I pick the small molecule and move it around  
> where I need it?
> Please help.
> Thanks,
> Farhana

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