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<div class="moz-cite-prefix">Dear Oleg and Phil,</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">thanks a lot! <br>
</div>
<div class="moz-cite-prefix">Best regards,</div>
<div class="moz-cite-prefix">Guenter<br>
</div>
<blockquote type="cite"
cite="mid:CADd3otFxiX1ePQBg6tuL-9y3au1xwG63yij3sr675BUbOPRUhw@mail.gmail.com">
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<div dir="ltr">Dear Guenter,
<div><br>
</div>
<div>Yes, it is similar to adding bond/angle restraints
described here:</div>
<div><a
href="https://phenix-online.org/documentation/reference/refinement.html#definition-of-custom-bonds-and-angles"
moz-do-not-send="true" class="moz-txt-link-freetext">https://phenix-online.org/documentation/reference/refinement.html#definition-of-custom-bonds-and-angles</a><br>
</div>
<div>The only difference is you would use planarity restraints
scope as below (from the bottom of the doc page):</div>
<div>
<ul
style="list-style:none;color:rgb(0,0,0);font-family:monospace;font-size:11.7px">
<li class="gmail-phil-param gmail-phil-scope"
style="clear:both;padding:5px"><span
class="gmail-phil-name" style="font-weight:bold">planarity</span>
<ul style="list-style:none">
<li class="gmail-phil-param"
style="clear:both;padding:5px"><span
class="gmail-phil-name">action</span><span
class="gmail-phil-words" style="color:red"> = *add
delete change</span></li>
<li class="gmail-phil-param"
style="clear:both;padding:5px"><span
class="gmail-phil-name">atom_selection</span><span
class="gmail-phil-words" style="color:red"> = None</span></li>
<li class="gmail-phil-param"
style="clear:both;padding:5px"><span
class="gmail-phil-name">sigma</span><span
class="gmail-phil-words" style="color:red"> = None</span></li>
</ul>
</li>
</ul>
You will have to combine all atoms you want to a single
selection, like "Chain X and resid Z and (name A or name B or
name C or name D)", where Z is residue id (a number).</div>
<div><br>
</div>
<div>Best regards,</div>
<div>Oleg Sobolev.</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Fri, May 27, 2022 at 4:48
AM Guenter Fritz <<a
href="mailto:guenter.fritz.phenix.ccp4@gmail.com"
moz-do-not-send="true" class="moz-txt-link-freetext">guenter.fritz.phenix.ccp4@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear
all,<br>
<br>
is it possible to define custom planar restraints, let's say
atoms <br>
A,B,C,D from residue Z should stay in a plane.<br>
<br>
Best regards,<br>
<br>
Guenter<br>
<br>
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