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    <p>Dear Pavel and Sobolev,</p>
    <p>Thank you for replay. Chain id select not only atoms of ligand
      but also atoms of proteins assigned to this chain. The
      _struct_asym.id is linked to _atom_site_asym_id. While the chain
      name corresponds to _atom_site.auth_assym_id. Therefore it is not
      possible to directly replace _struct_asym.id by chain name. <br>
    </p>
    <p>I overcome this problem by writing scrip which generate the
      selection suitable for phenix (chain and resseq).  </p>
    <p>Thank's Pavel for the link. Do you have somewhere the <b>full</b><b>
        list and description </b>of available syntax keywords, not only
      examples?</p>
    <p>Best regards,</p>
    <p>Agnieszka<br>
    </p>
    <div class="moz-cite-prefix">W dniu 10.02.2021 o 20:11, Oleg Sobolev
      pisze:<br>
    </div>
    <blockquote type="cite"
cite="mid:CADd3otFNqZm=KGK+Mp6EZUTKEoEuVr_dPKxPrLz9Q2Za0g+vKg@mail.gmail.com">
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      <div dir="ltr">Hi Agnieszka,<br>
        <div><br>
        </div>
        <div>_<a href="http://struct_asym.id" moz-do-not-send="true">struct_asym.id</a>
          is linked with _atom_site.label_asym_id (<a
href="https://mmcif.wwpdb.org/dictionaries/mmcif_pdbx_v50.dic/Items/_atom_site.label_asym_id.html"
            moz-do-not-send="true">https://mmcif.wwpdb.org/dictionaries/mmcif_pdbx_v50.dic/Items/_atom_site.label_asym_id.html</a>).
          In Phenix it becomes chain id, therefore the selection should
          look like "chain A" (use your _<a href="http://struct_asym.id"
            moz-do-not-send="true">struct_asym.id</a> instead of "A").<br>
        </div>
        <div><br>
        </div>
        <div>Let us know if this doesn't work.</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 Wed, Feb 10, 2021 at 9:17
          AM Pavel Afonine &lt;<a href="mailto:pafonine@lbl.gov"
            moz-do-not-send="true">pafonine@lbl.gov</a>&gt; 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">Hi
          Agnieszka,<br>
          <br>
          currently the only way to make atom selections is to use
          Phenix atom <br>
          selection syntax. To learn about atom selection syntax please
          refer to <br>
          the following resources:<br>
          <br>
          <a
href="http://phenix-online.org/documentation/reference/atom_selections.html#examples-for-selection-expressions"
            rel="noreferrer" target="_blank" moz-do-not-send="true">http://phenix-online.org/documentation/reference/atom_selections.html#examples-for-selection-expressions</a><br>
          <br>
          Pavel<br>
          <br>
          <br>
          On 2/10/21 05:18, Agnieszka Kiliszek wrote:<br>
          &gt; Hi everyone,<br>
          &gt;<br>
          &gt; I would like to generate polder maps in phenix of
          selected ligand <br>
          &gt; molecules using mmCIF files. For me, the most convenient
          way of <br>
          &gt; selecting atoms of ligand was to use  "_<a
            href="http://struct_asym.id" rel="noreferrer"
            target="_blank" moz-do-not-send="true">struct_asym.id</a>".
          Therefore I <br>
          &gt; tried syntax selection segid but I received error "no
          atoms selected". <br>
          &gt; In pymol similar syntax "segi" works for the same mmCIF
          file.<br>
          &gt;<br>
          &gt; What can be the reason of the error? Is it a way to
          select atoms of <br>
          &gt; ligand using "_<a href="http://struct_asym.id"
            rel="noreferrer" target="_blank" moz-do-not-send="true">struct_asym.id</a>"
          in phenix.polder?<br>
          &gt;<br>
          &gt; Best regards,<br>
          &gt;<br>
          &gt; Agnieszka<br>
          &gt;<br>
          &gt;<br>
          &gt; _______________________________________________<br>
          &gt; phenixbb mailing list<br>
          &gt; <a href="mailto:phenixbb@phenix-online.org"
            target="_blank" moz-do-not-send="true">phenixbb@phenix-online.org</a><br>
          &gt; <a
            href="http://phenix-online.org/mailman/listinfo/phenixbb"
            rel="noreferrer" target="_blank" moz-do-not-send="true">http://phenix-online.org/mailman/listinfo/phenixbb</a><br>
          &gt; Unsubscribe: <a
            href="mailto:phenixbb-leave@phenix-online.org"
            target="_blank" moz-do-not-send="true">phenixbb-leave@phenix-online.org</a><br>
          <br>
          _______________________________________________<br>
          phenixbb mailing list<br>
          <a href="mailto:phenixbb@phenix-online.org" target="_blank"
            moz-do-not-send="true">phenixbb@phenix-online.org</a><br>
          <a href="http://phenix-online.org/mailman/listinfo/phenixbb"
            rel="noreferrer" target="_blank" moz-do-not-send="true">http://phenix-online.org/mailman/listinfo/phenixbb</a><br>
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            href="mailto:phenixbb-leave@phenix-online.org"
            target="_blank" moz-do-not-send="true">phenixbb-leave@phenix-online.org</a></blockquote>
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                      <p><strong><span style="font-size: 11pt;
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