[Chimera-users] fiting onto density map

Elaine Meng meng at cgl.ucsf.edu
Mon Oct 27 09:19:09 PDT 2014


Hi Urszula,
You can adjust the voxel size of your map  in the Coordinates section of the Volume Viewer dialog (show this section using Volume Viewer menu: Features… Coordinates).

<http://www.rbvi.ucsf.edu/chimera/docs/ContributedSoftware/volumeviewer/framevolumeviewer.html>
<http://www.rbvi.ucsf.edu/chimera/docs/ContributedSoftware/volumeviewer/volumeviewer.html#coordinates>

However, it is unclear what exactly the correct size should be.  You may need to consult the source of the map.
I hope this helps,
Elaine
----------
Elaine C. Meng, Ph.D. 
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

On Oct 27, 2014, at 5:47 AM, "Urszula Uciechowska" <urszula.uciechowska at biotech.ug.edu.pl> wrote:

> Dear Chimera users,
> 
> I am trying to fit my protein structure onto an
> density map. I loaded both the map file and my model coordinates
> into Chimera. But it looks apparently that they are not in the same size
> scale. My model is much bigger than the size of my map region where the
> model is supposed to reside. I suspect the density map size is scaled
> down somehow.
> 
> I did a little research on internet but couldn't find a solution. Could
> you please advice me how to put them to the same size scale?
> 
> Best regards
> Urszula




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