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Issue #2292 has been updated by Lenna Peterson.
<ul>
<li><strong>Description</strong> updated (<a title="View differences" href="https://redmine.open-bio.org/journals/diff/15365?detail_id=1663">diff</a>)</li>
<li><strong>Status</strong> changed from <i>New</i> to <i>Resolved</i></li>
<li><strong>% Done</strong> changed from <i>0</i> to <i>100</i></li>
</ul>
<p>Pull request on github: <a class="external" href="https://github.com/biopython/biopython/pull/989">https://github.com/biopython/biopython/pull/989</a></p>
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<h1><a href="https://redmine.open-bio.org/issues/2292#change-15365">Bug #2292: Bio.PDBIO writes TER records without any required fields</a></h1>
<ul><li>Author: Michal J.</li>
<li>Status: Resolved</li>
<li>Priority: Normal</li>
<li>Assignee: Biopython Dev Mailing List</li>
<li>Category: Other</li>
<li>Target version: Not Applicable</li>
<li>URL: </li></ul>
<p>Bio.PDBIO is happy to write TER records as "TER\n", which is inconsistent with PDB format specification.</p>
<p>The PDB format requires that TER records have some fields similar to ATOM records:<br />'''The TER record has the same residue name, chain identifier, sequence number and insertion code as the terminal residue. The serial number of the TER record is one number greater than the serial number of the ATOM/HETATM preceding the TER.'''</p>
<p>[See <a class="external" href="http://www.wwpdb.org/documentation/format23/sect9.html#TER">http://www.wwpdb.org/documentation/format23/sect9.html#TER</a>]</p>
<p>It leads to problem with programs that require correct TER records (like multiple structural alignment program MUSTANG), and crash when they are not found.</p>
<fieldset class="attachments"><legend>Files</legend>
<a href="https://redmine.open-bio.org/attachments/download/652/PDBIO.diff">PDBIO.diff</a>
(656 Bytes)<br />
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