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	<id>https://wiki.pymol.org/index.php?action=history&amp;feed=atom&amp;title=Assembly</id>
	<title>Assembly - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.pymol.org/index.php?action=history&amp;feed=atom&amp;title=Assembly"/>
	<link rel="alternate" type="text/html" href="https://wiki.pymol.org/index.php?title=Assembly&amp;action=history"/>
	<updated>2026-04-30T10:30:05Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.35.1</generator>
	<entry>
		<id>https://wiki.pymol.org/index.php?title=Assembly&amp;diff=13604&amp;oldid=prev</id>
		<title>Cchem: 1 revision</title>
		<link rel="alternate" type="text/html" href="https://wiki.pymol.org/index.php?title=Assembly&amp;diff=13604&amp;oldid=prev"/>
		<updated>2016-09-19T02:19:30Z</updated>

		<summary type="html">&lt;p&gt;1 revision&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 02:19, 19 September 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Cchem</name></author>
	</entry>
	<entry>
		<id>https://wiki.pymol.org/index.php?title=Assembly&amp;diff=13603&amp;oldid=prev</id>
		<title>Speleo3: 1.7.8 -&gt; 1.8</title>
		<link rel="alternate" type="text/html" href="https://wiki.pymol.org/index.php?title=Assembly&amp;diff=13603&amp;oldid=prev"/>
		<updated>2016-09-01T13:27:01Z</updated>

		<summary type="html">&lt;p&gt;1.7.8 -&amp;gt; 1.8&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 13:27, 1 September 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;When loading '''mmCIF''' structure files, the [[assembly]] setting controls whether PyMOL loads the asymmetric unit (assembly=&amp;quot;&amp;quot;) or a biological unit (e.g. assembly=&amp;quot;1&amp;quot;). Assembly identifiers in mmCIF files can be arbitrary strings, but usually are numeric and most files define at least assembly &amp;quot;1&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;When loading '''mmCIF''' structure files, the [[assembly]] setting controls whether PyMOL loads the asymmetric unit (assembly=&amp;quot;&amp;quot;) or a biological unit (e.g. assembly=&amp;quot;1&amp;quot;). Assembly identifiers in mmCIF files can be arbitrary strings, but usually are numeric and most files define at least assembly &amp;quot;1&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''New in PyMOL 1&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;.7&lt;/del&gt;.8''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''New in PyMOL 1.8''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Assemblies with more than one symmetry copy are loaded as multi-state objects with [[all_states]]=on. The assemblies should be equivalent to the '''pdb1''' files which are available from the [ftp://ftp.wwpdb.org/pub/pdb/data/biounit/ PDB ftp server].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Assemblies with more than one symmetry copy are loaded as multi-state objects with [[all_states]]=on. The assemblies should be equivalent to the '''pdb1''' files which are available from the [ftp://ftp.wwpdb.org/pub/pdb/data/biounit/ PDB ftp server].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Speleo3</name></author>
	</entry>
	<entry>
		<id>https://wiki.pymol.org/index.php?title=Assembly&amp;diff=12968&amp;oldid=prev</id>
		<title>Bell: 2 revisions</title>
		<link rel="alternate" type="text/html" href="https://wiki.pymol.org/index.php?title=Assembly&amp;diff=12968&amp;oldid=prev"/>
		<updated>2015-10-19T01:04:40Z</updated>

		<summary type="html">&lt;p&gt;2 revisions&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 01:04, 19 October 2015&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Bell</name></author>
	</entry>
	<entry>
		<id>https://wiki.pymol.org/index.php?title=Assembly&amp;diff=12967&amp;oldid=prev</id>
		<title>Speleo3: BiologicalUnit/Quat link</title>
		<link rel="alternate" type="text/html" href="https://wiki.pymol.org/index.php?title=Assembly&amp;diff=12967&amp;oldid=prev"/>
		<updated>2015-09-28T21:53:54Z</updated>

		<summary type="html">&lt;p&gt;BiologicalUnit/Quat link&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:53, 28 September 2015&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l24&quot; &gt;Line 24:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 24:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[split_states]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[split_states]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* http://mmcif.wwpdb.org/dictionaries/mmcif_pdbx.dic/Items/_pdbx_struct_assembly.id.html&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* http://mmcif.wwpdb.org/dictionaries/mmcif_pdbx.dic/Items/_pdbx_struct_assembly.id.html&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[BiologicalUnit/Quat]] and [[BiologicalUnit]]: scripts to parse assembly information from PDB files&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Settings]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Settings]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Speleo3</name></author>
	</entry>
	<entry>
		<id>https://wiki.pymol.org/index.php?title=Assembly&amp;diff=12966&amp;oldid=prev</id>
		<title>Speleo3: created</title>
		<link rel="alternate" type="text/html" href="https://wiki.pymol.org/index.php?title=Assembly&amp;diff=12966&amp;oldid=prev"/>
		<updated>2015-09-28T21:50:59Z</updated>

		<summary type="html">&lt;p&gt;created&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;When loading '''mmCIF''' structure files, the [[assembly]] setting controls whether PyMOL loads the asymmetric unit (assembly=&amp;quot;&amp;quot;) or a biological unit (e.g. assembly=&amp;quot;1&amp;quot;). Assembly identifiers in mmCIF files can be arbitrary strings, but usually are numeric and most files define at least assembly &amp;quot;1&amp;quot;.&lt;br /&gt;
&lt;br /&gt;
''New in PyMOL 1.7.8''&lt;br /&gt;
&lt;br /&gt;
Assemblies with more than one symmetry copy are loaded as multi-state objects with [[all_states]]=on. The assemblies should be equivalent to the '''pdb1''' files which are available from the [ftp://ftp.wwpdb.org/pub/pdb/data/biounit/ PDB ftp server].&lt;br /&gt;
&lt;br /&gt;
== Examples ==&lt;br /&gt;
&lt;br /&gt;
Download the ASU and the first assembly, show them side by side.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;syntaxhighlight lang=&amp;quot;python&amp;quot;&amp;gt;&lt;br /&gt;
set assembly, &amp;quot;&amp;quot;&lt;br /&gt;
fetch 3bw1, asu, async=0&lt;br /&gt;
&lt;br /&gt;
set assembly, 1&lt;br /&gt;
fetch 3bw1, assembly1, async=0&lt;br /&gt;
&lt;br /&gt;
set grid_mode&lt;br /&gt;
&amp;lt;/syntaxhighlight&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== See Also ==&lt;br /&gt;
&lt;br /&gt;
* [[all_states]]&lt;br /&gt;
* [[split_states]]&lt;br /&gt;
* http://mmcif.wwpdb.org/dictionaries/mmcif_pdbx.dic/Items/_pdbx_struct_assembly.id.html&lt;br /&gt;
&lt;br /&gt;
[[Category:Settings]]&lt;/div&gt;</summary>
		<author><name>Speleo3</name></author>
	</entry>
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