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    <p>Dear Elaine and Eric,</p>
    <p>That worked quite fine. Many thanks for your help on this.</p>
    <p>My best regards,</p>
    <p>Damien<br>
    </p>
    <div class="moz-cite-prefix">Le 11/12/2019 à 19:25, Eric Pettersen a
      écrit :<br>
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      cite="mid:8C870B19-FA80-4A39-B184-5C5FB33AC2DA@cgl.ucsf.edu">
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      … and if you want to find the carbonyls only in GLU residues, you
      would intersect the specifier with :GLU, <i class="">i.e.</i><span
        style="font-style: normal;" class="">:</span>
      <div class=""><br class="">
      </div>
      <div class="">select carbonyl & :glu</div>
      <div class=""><br class="">
      </div>
      <div class="">—Eric<br class="">
        <div class="">
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        </span>Eric Pettersen</div>
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            none;" class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>UCSF
            Computer Graphics Lab</div>
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            <div class="">On Dec 11, 2019, at 9:34 AM, Elaine Meng <<a
                href="mailto:meng@cgl.ucsf.edu" class=""
                moz-do-not-send="true">meng@cgl.ucsf.edu</a>> wrote:</div>
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            <div class="">
              <div class="">Hi Damien,<br class="">
                You’ll like this… simply the command:  select carbonyl<br
                  class="">
                <br class="">
                It selects the atoms as well as the bond between them.<br
                  class="">
                <br class="">
                You can specify in the command line any of the
                functional groups that appear in the menu under Select…
                Chemistry… functional group.  It’s mentioned here:<br
                  class="">
                <<a
href="http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/atom_spec.html#builtin"
                  class="" moz-do-not-send="true">http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/atom_spec.html#builtin</a>><br
                  class="">
                <br class="">
                I hope this helps,<br class="">
                Elaine<br class="">
                -----<br class="">
                Elaine C. Meng, Ph.D.<br class="">
                UCSF Chimera(X) team<br class="">
                Department of Pharmaceutical Chemistry<br class="">
                University of California, San Francisco<br class="">
                <br class="">
                <blockquote type="cite" class="">On Dec 11, 2019, at
                  8:02 AM, Damien Larivière <<a
                    href="mailto:damien@fourmentinguilbert.org" class=""
                    moz-do-not-send="true">damien@fourmentinguilbert.org</a>>
                  wrote:<br class="">
                  <br class="">
                  Dear All,<br class="">
                  <br class="">
                  My question is naive but I have difficulties to figure
                  out how to do it with Chimera.<br class="">
                  <br class="">
                  I would like to select specifically the group of two
                  atoms (C and O) formed in a carbonyl bond C=O for all,
                  say, GLU residues of a protein.<br class="">
                  <br class="">
                  Is there a way, via a command line, to do it?<br
                    class="">
                  <br class="">
                  Thanks for your help on this.<br class="">
                  <br class="">
                  Damien<br class="">
                </blockquote>
                <br class="">
                <br class="">
                _______________________________________________<br
                  class="">
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