[Chimera-users] Crystal contacts tool

Thomas Goddard goddard at cgl.ucsf.edu
Thu Jan 18 11:27:04 PST 2007

Hi Miguel,

   I agree that the term non-crystallographic symmetry (NCS) can be 
confusing.  The crystal contacts Chimera tool was developed specifically 
for fixing the MTRIX records in virus entries in the PDB so the 
description uses terminology that makes sense for virus crystal structures.

   I think the crystal contacts tool could be adapted so that the 
spheres represent individual PDB chains.  This would be similar to your 
earlier request for a tool that just displays contacting chains.  But I 
think the tool you described earlier would be better (only displays 
contacting chains from entire crystal, shows them as atomic models) and 
is just as easy to implement.  Not sure if I will have time to work on 
it in coming weeks or months -- I haven't yet scheduled it into my long 
list of projects.


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