<div dir="ltr"><div class="gmail_default" style="font-family:arial,sans-serif">PS: I forgot to mention -- if you already have a 3D alignment, you can go to Analyze > RMSD of, and choose Objects, Molecules, Residues, or Atoms to get corresponding RMSD values. You could also run Analyze > Global distance test of, and choose one of the same list of structures. The YASARA documentation has explanations of these procedures.</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">-- RJR</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Mar 26, 2023 at 12:26 PM Rudy Richardson <<a href="mailto:rjrich@umich.edu">rjrich@umich.edu</a>> 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"><div dir="ltr"><div class="gmail_default" style="font-family:arial,sans-serif">Which version of YASARA do you have? If it is the free viewer, I am not sure which features are included. I have purchased a license for YASARA-Structure along with WHATIF and the NMR module. In my version at least, when I load two structures, I can go to the Analyze > Align menu and choose from several 3D alignment programs, e.g., MUSTANG, MM Ligner, or Sheba. When the alignment is finished, the data are shown in the console.</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">-- Rudy</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Mar 26, 2023 at 12:16 PM Cheng Fei Phung <<a href="mailto:feiphung@hotmail.com" target="_blank">feiphung@hotmail.com</a>> 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"><div>
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Hi Rudy Richardson,</div>
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I loaded your "3d_align.pdb" file on Yasara which I just installed today <br>
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How do you see "RMSD of 1.094 A over 111 aligned residues with 100.0% similarity" from
<a href="https://i.imgur.com/GI0rmEc.png" id="m_-8763334932954396071m_-8018013152704150119LPlnkOWALinkPreview" target="_blank">https://i.imgur.com/GI0rmEc.png</a> ?<br>
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Regards,</div>
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Phung Cheng Fei<br>
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<div id="m_-8763334932954396071m_-8018013152704150119divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Rudy Richardson <<a href="mailto:rjrich@umich.edu" target="_blank">rjrich@umich.edu</a>><br>
<b>Sent:</b> Sunday, March 26, 2023 9:20 PM<br>
<b>To:</b> Cheng Fei Phung <<a href="mailto:feiphung@hotmail.com" target="_blank">feiphung@hotmail.com</a>><br>
<b>Cc:</b> <a href="mailto:chimerax-users@cgl.ucsf.edu" target="_blank">chimerax-users@cgl.ucsf.edu</a> <<a href="mailto:chimerax-users@cgl.ucsf.edu" target="_blank">chimerax-users@cgl.ucsf.edu</a>><br>
<b>Subject:</b> Re: [chimerax-users] AlphaFold best_model.pdb could not visually overlap the input sequence using matchmaker</font>
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<div style="font-family:arial,sans-serif">It seems that the problem could be with trying to align each of the entire complexes. Predictive models of structures with multiple protein chains can have a difficult time with finding the correct
interactions between chains.</div>
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Have you tried the 3D alignment with each of the corresponding 3 chains? I took the A-chain of 7cr5 and did a 3D alignment with the B chain of 4rR0 using Sheba in Yasara and got a Calpha RMSD of 1.094 A over 111 aligned residues with 100.0% similarity. I have
attached a PDB file of the aligned structures.</div>
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<div style="font-family:arial,sans-serif">Best regards,</div>
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<div style="font-family:arial,sans-serif">R.J. Richardson</div>
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<div dir="ltr">On Sun, Mar 26, 2023 at 8:38 AM Cheng Fei Phung via ChimeraX-users <<a href="mailto:chimerax-users@cgl.ucsf.edu" target="_blank">chimerax-users@cgl.ucsf.edu</a>> wrote:<br>
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Hi,</div>
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I am trying do "matchmaker #2 to #1" between colab output ( best_model.pdb which is pasted here at
<a href="http://ix.io/4rRO" id="m_-8763334932954396071m_-8018013152704150119x_m_-545654020409776840LPlnk329365" target="_blank">
http://ix.io/4rRO</a> ) and <a href="https://www.rcsb.org/structure/7CR5" id="m_-8763334932954396071m_-8018013152704150119x_m_-545654020409776840LPNoLPOWALinkPreview" target="_blank">
https://www.rcsb.org/structure/7CR5</a></div>
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However, as seen in <a href="https://i.imgur.com/gHL8to3.png" id="m_-8763334932954396071m_-8018013152704150119x_m_-545654020409776840LPlnkOWALinkPreview_1" target="_blank">
https://i.imgur.com/gHL8to3.png</a> , there is not really much visual overlapping since the structures are not rotated properly to match each other.<br>
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The log for doing matchmaker command is available here at <a href="https://i.imgur.com/78h5CLq.png" id="m_-8763334932954396071m_-8018013152704150119x_m_-545654020409776840LPlnkOWALinkPreview_1" target="_blank">
https://i.imgur.com/78h5CLq.png</a><br>
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The colab notebook is also saved as a screenshot here at <a href="https://i.imgur.com/LSTdyZe.png" id="m_-8763334932954396071m_-8018013152704150119x_m_-545654020409776840LPlnkOWALinkPreview" target="_blank">
https://i.imgur.com/LSTdyZe.png</a></div>
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Manually doing "turn z 1 270 model #1 center #1" or similar rotations commands also do not help.<br>
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Please advise.<br>
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Regards,</div>
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Phung Cheng Fei<br>
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