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<p>Hi Dmitry,</p>
<p><br>
</p>
<p>if your model is composed of chains related by some
rotation/translation (does not matter what symmetry), you can ask
Phenix real-space refinement to identify and use that symmetry as
"NCS" constraints (yes, NCS is a legacy term from Xtallography!).
Aprart from this there isn't anything particular.. Alternatively,
you can manually specify the master and symmetry related chains
when setting up refinement job.<br>
</p>
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<p>Pavel<br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 2/1/24 02:48, Dmitry Semchonok
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:AM7PR09MB3989F8F33E9A93B8009A7E81F3432@AM7PR09MB3989.eurprd09.prod.outlook.com">
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Dear colleagues,</div>
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<br>
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Is there any specific procedure for Real space refinement in
Phenix, having a map and model when working with helical
structure?</div>
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<br>
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Many thanks</div>
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Kind regard,</div>
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Dmitry</div>
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