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    Hello,<br>
    <br>
    it's good to know it was useful for you, thanks for feedback! I
    afraid it's too new so that we don't have a publication to cite yet.
    We are working on a manuscript but it may take a little while before
    it appears somewhere. For now I guess you can use this link (unless�
    Dorothee has a better idea)<br>
    <br>
    <a class="moz-txt-link-freetext" href="http://www.phenix-online.org/presentations/phenix_polder.pdf">http://www.phenix-online.org/presentations/phenix_polder.pdf</a><br>
    <br>
    and use official Phenix citation:<br>
    <br>
    Acta Cryst. D66, 213-221 (2010).<br>
    <br>
    That's all we have at the moment anyway.<br>
    <br>
    All the best,<br>
    Pavel<br>
    <br>
    <div class="moz-cite-prefix">On 4/20/16 04:18, Lund Bjarte Aarmo
      wrote:<br>
    </div>
    <blockquote
      cite="mid:ae190dc3b2a3409292aa7fd99242ae1f@ex04.ad.uit.no"
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        <p style="margin:0cm;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">Dear</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">
          </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">Dorothee
            and phenixbb,<o:p></o:p></span></p>
        <p style="margin:0cm;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"><o:p>�</o:p></span></p>
        <p style="margin:0cm;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">I
            found this software very useful for protein-fragment
            complexes with weak electron density. I was wondering how
            the software should be cited?</span><span
            style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"><o:p>�</o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"><o:p>�</o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">Kind
            regards,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"><o:p>�</o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">Bjarte
            Aarmo Lund<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">PhD
            candidate<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">UiT
            � The arctic university of Norway<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"><o:p>�</o:p></span></p>
        <p class="MsoNormal"><b><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">From:</span></b><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">
            <a class="moz-txt-link-abbreviated" href="mailto:phenixbb-bounces@phenix-online.org">phenixbb-bounces@phenix-online.org</a>
            [<a class="moz-txt-link-freetext" href="mailto:phenixbb-bounces@phenix-online.org">mailto:phenixbb-bounces@phenix-online.org</a>]
            <b>On Behalf Of </b>Dorothee Liebschner<br>
            <b>Sent:</b> 22. mars 2016 21:46<br>
            <b>To:</b> PHENIX user mailing list
            <a class="moz-txt-link-rfc2396E" href="mailto:phenixbb@phenix-online.org">&lt;phenixbb@phenix-online.org&gt;</a><br>
            <b>Subject:</b> [phenixbb] phenix.polder - tool for
            calculating omit maps by excluding bulk solvent<o:p></o:p></span></p>
        <p class="MsoNormal"><o:p>�</o:p></p>
        <div>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">Dear
              phenix users,<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">�<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">Starting
              from the nightly build dev-2356, a new tool for
              calculating ligand omit-maps, called 'polder', is included
              in phenix.<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">�<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">Usage:<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:black">phenix.polder��
              model.pdb��� data.mtz��� selection='chain A and resseq
              123�<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">�<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">Phenix.polder
              calculates omit maps for atom selections by preventing the
              bulk solvent mask to flood into the atom selection area
              and its vicinity. The tool can be useful in cases where
              the density of the selected atoms is weak and possibly
              obscured by bulk solvent.
              <o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">Polder
              produces less biased maps compared to procedures where the
              atom selection occupancy is set to zero, and the atoms are
              included in the solvent mask calculation (in that case,
              the resulting difference density can have similar shape
              than the selected atoms). Phenix.polder excludes a larger
              volume from the bulk solvent and therefore prevents
              misinterpreting bulk solvent density as omit density.<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">�<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:black">If
              you want to know more about how the tool is working and to
              see some examples, have a look at the presentation file:�
            </span><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"><a
                moz-do-not-send="true"
                href="https://www.phenix-online.org/presentations/phenix_polder.pdf"><a class="moz-txt-link-freetext" href="https://www.phenix-online.org/presentations/phenix_polder.pdf">https://www.phenix-online.org/presentations/phenix_polder.pdf</a></a><span
                style="color:black">.</span><o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:black">�<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:black">The
              documentation page can be found here:<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"><a
                moz-do-not-send="true"
                href="www.phenix-online.org/version_docs/dev-2356/reference/polder.html"><a class="moz-txt-link-abbreviated" href="http://www.phenix-online.org/version_docs/dev-2356/reference/polder.html">www.phenix-online.org/version_docs/dev-2356/reference/polder.html</a></a><o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:black"><o:p>�</o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:black">Best
              wishes,<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">�<o:p></o:p></span></p>
          <p style="margin:0cm;margin-bottom:.0001pt"><span
              style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">Dorothee<o:p></o:p></span></p>
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      <pre wrap="">_______________________________________________
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