<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Bertrand,<div class=""><br class=""></div><div class=""> It is currently not possible to change the ribbon spline atoms in ChimeraX. The specific atoms are set in the C++ code in the get_polymer_spline() routine.</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="https://www.rbvi.ucsf.edu/trac/ChimeraX/browser/src/bundles/atomic/atomic_cpp/ribbon_cpp/spline.cpp" class="">https://www.rbvi.ucsf.edu/trac/ChimeraX/browser/src/bundles/atomic/atomic_cpp/ribbon_cpp/spline.cpp</a></div><div class=""><br class=""></div><div class="">You can put a tube through the P atoms with command</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>shape tube @P radius 0.5</div><div class=""><br class=""></div><div class="">Here are some images showing what that looks like compared to a ribbon.</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div class=""><br class=""></div><div class="">Tube through P with backbone atoms, without backbone atom, and with normal C5' ribbon.</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="22D80D8B-7B86-40B1-99A6-9DDBCA729D2C" width="268" height="240" src="cid:EBD728A6-BE6E-4064-9D52-26A27E4A7FE2" class=""><img apple-inline="yes" id="FA21DE55-958B-468A-9341-A61CDE84F5B2" width="268" height="240" src="cid:90E3094C-E3C7-4B85-9B66-0DE351A6188C" class=""><img apple-inline="yes" id="E85289EA-93B0-432C-A0E1-9908E5C13335" width="268" height="240" src="cid:C4C9C403-B46A-48B3-91D5-2A23FE5DC358" class=""></div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jul 31, 2020, at 10:23 AM, bertrand beckert <<a href="mailto:bertrand.beckert@gmail.com" class="">bertrand.beckert@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Dear ChimeraX developper,<div class=""><br class=""></div><div class="">I was wondering if in ChimeraX it is possible to change the atoms used for the cartoon/ribbon display. According to the online user manual (<a href="https://www.rbvi.ucsf.edu/chimerax/docs/user/commands/cartoon.html#top" class="">https://www.rbvi.ucsf.edu/chimerax/docs/user/commands/cartoon.html#top</a>) for the nucleic acid the cartoon path seems to be restricted and guided by only the C5'.... could it be possible to change the C5' to the Phosphate instead? is there already a command existing ? </div><div class=""><br class=""></div><div class="">Thanks for the nice software!</div><div class=""><br class=""></div><div class="">Best regards</div><div class=""><br class=""></div><div class="">Bertrand</div><div class=""><br class=""></div></div>
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