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<div class="moz-cite-prefix">Hi Rebecca,<br>
<br>
Here's a crazy trick to see atoms in structure #1 that are not
in structure #0.<br>
<br>
~display #0<br>
display #1<br>
mcopy #0 #1 set v<br>
<br>
This hides all the atoms of #0, displays all the atoms of #1, then
copies the visibility of atoms in #0 to matching atoms in #1. In
other words it undisplays just the atoms of #1 that have mates in
#0. <br>
<br>
You could abbreviate this command sequence<br>
<br>
alias ^diff ~display $1 ; display $2 ; mcopy $1 $2 set v<br>
<br>
then use<br>
<br>
diff #0 #1<br>
diff #1 #0<br>
<br>
Here is the mcopy documentation<br>
<br>
<a class="moz-txt-link-freetext" href="http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/mcopy.html">http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/mcopy.html</a><br>
<br>
Tom<br>
<br>
<br>
</div>
<blockquote
cite="mid:7E64726E-A0BD-4782-9487-1E075B209F1E@cgl.ucsf.edu"
type="cite">
<pre wrap="">On Apr 11, 2013, at 2:46 PM, Rebecca Swett wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Hi guys, I have a question, I have two structures that are different by just a few atoms. Is there any way I could use the selection tools in chimera to find them and display them?
</pre>
</blockquote>
<pre wrap="">
Hi Rebecca,
In the general case I don't have any good ideas. If your two structures have consistent residue naming and numbering then it isn't too hard to do in Python. In case your structures have consistent nomenclature, I have appended a script that will print the differences to the reply log and select the differences on the structures. You run the script simply by opening it with File->Open.
--Eric
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