<html><head><meta http-equiv="Content-Type" content="text/html charset=gb18030"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Hi Zhihai,</div><div><br></div><div> Since you made the icosahedron radius 300 compared to the example value I used of 100, you also need to increase the “spacing” parameter used to subdivide the icosahedron from 50 to 150 (3 times larger). The spacing value controls how many segments each edge is subdivide into — it is the maximum length of a subdivided edge.</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div><br></div><br><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin: 0px;"><b>From: </b>李智海<br></div><div style="margin: 0px;"><b>Subject: </b><b>Re: [Chimera-users] Icosahedral model</b><br></div><div style="margin: 0px;"><b>Date: </b>June 19, 2014 at 1:14:36 AM PDT<br></div><div style="margin: 0px;"><b>To: </b>Tom Goddard <br></div><br><div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><img apple-inline="yes" id="A5A78ACC-9B1C-4905-9F2B-1D07A55B682C" height="533" width="1068" apple-width="yes" apple-height="yes" src="cid:0661F2F9-2DA1-4A6D-8E11-E82C887F8CC6"><br><div><img name="image2.png" apple-inline="yes" id="069B6709-1633-4392-8279-30D028C8B1DA" height="533" width="1068" apple-width="yes" apple-height="yes" src="cid:E193A230-ACF6-42A6-B359-0DDE3AF6E2F0">Hi, Tom,<div>Thanks for your quick reply!</div><div>Here I have a problem that I can’t repeat your work. </div><div><br></div><div>After entering the commands:</div><div>shape icos radius 300 orientation 222r linewidth 3 color red mesh true div 1</div><div>sop finerMesh #0 spacing 50 </div><div><br></div><div>I got a different model as a result (see attached figures). </div><div>Do you have any ideas? Thanks !</div><div><br><div apple-content-edited="true"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Zhihai<br><br></div></div><br><div><div>在 2014年6月19日，上午2:38，Tom Goddard 写道：</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Hi Zhihai,</div><div><br></div><div> The example icosahedral cage figure you sent is unusual because it has virus pentamers at six-fold vertices. The arrangement is a T = 7d lattice and the Chimera command “shape icos radius 300 lattice 1,2” makes a matching cage with hexagons and pentagons as shown in the attached image. But I can see how you don’t want that because the cage hexagons have pentamers in the middle. To make a cage like the figure you show is tricky in Chimera. It is basically an icosahedron (12 vertices and 20 faces) with each edge subdivided in 3 parts. Here’s a way to make such an subdivision in Chimera</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span>shape icos radius 100 mesh true div 1</div><div><span class="Apple-tab-span" style="white-space: pre;"> </span>sop finerMesh #0 spacing 50</div><div><br></div><div>The first command makes a 12 vertex icoshedron, and the second command subdivides it to make a 72 vertex cage. The result has pointy 5-fold vertices. To make it more spherical as in the figure you sent you can smooth it with a command I just added today</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span>sop smooth #1 iter 8 inplace true</div><div><br></div><div>This “sop smooth” command moves the vertices towards their connected neighbors and will be in tonight’s Chimera daily build. I’ve attached an image of the result after using the meshmol command to replace the edge lines with cylinders.</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span>Tom</div><div><br></div><div><emd5155_cage.jpg><icos72.jpg><br><div><br></div><blockquote type="cite"><div style="margin: 0px;"><b>From: </b>李智海 <br></div><div style="margin: 0px;"><b>Subject: </b><b>Re: [Chimera-users] Icosahedral model</b><br></div><div style="margin: 0px;"><b>Date: </b>June 17, 2014 at 7:38:03 PM PDT<br></div><div style="margin: 0px;"><b>To: </b>Tom Goddard <br></div><br><div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div>Hi, Tom,<无标题.png><div>Thanks very much for your reply! </div><div>However, it seems to be that I can’t achieve what I want by performing these processes. Every capsomere should be a node in the icosahedral model which represents the distribution of capsomeres on the virus capsid.</div><div>Attached is an example model (<i>right</i>) of what I want from an article(<i>Mattias Wolf et al. PNAS ) . </i></div><div>Can I get that model from Chimera?</div><div>Any help would be appreciated.</div><div><br></div><div>Best wishes!</div><div><br></div><div><div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Zhihai Li<br><br></div></div><br><div><div>在 2014年6月11日，下午11:52，Tom Goddard <<a href="mailto:goddard@sonic.net">goddard@sonic.net</a>> 写道：</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi Zhihai,<div><br></div><div> You can draw an icosahedron mesh with the Icosahedron Surface tool (menu Tools / Higher-Order Structure), or the Chimera “shape” command, for example,</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span>shape icosahedron radius 55 orientation 2n5 lattice 2,1</div><div><br></div><div>You’ll need to figure out the right radius (just try different values and compare the size to the density map), the density map should be centered (use Volume Viewer menu Features / Coordinates to set the origin for the map), figure out which of the standard icosahedron orientations your map uses (just try different ones and compare to your map), and figure out the two lattice parameters if you want to replicate the protein packing in the capsid. The graphical Icosahedron Surface tool does not let you set lattice parameters — it only shows a simple 12 vertex icosahedron.</div><div><br></div><div> If you want to turn the mesh into a ball and stick model you use the Chimera “meshmol” command.</div><div><br></div><div> Here is documentation of these commands</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/data/tutorials/volumetour/volumetour.html#icoscage">http://www.cgl.ucsf.edu/chimera/data/tutorials/volumetour/volumetour.html#icoscage</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/icosahedron/icosahedron.html">http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/icosahedron/icosahedron.html</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/shape.html">http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/shape.html</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/meshmol.html">http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/meshmol.html</a></div><div><br></div><div> Tom</div><div><br></div><div><em_1f8v.png></div><div><br></div><div><br><div><div>On Jun 10, 2014, at 8:48 PM, 李智海 <<a href="mailto:21620101152414@stu.xmu.edu.cn">21620101152414@stu.xmu.edu.cn</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Hi<span style="font-family: 'Heiti SC Light';">，</span></div><div style="margin: 0px;">I have a density map of an icosahedral capsid, and now i want to make a icosahedral model to represent the capsid. In this model, every corner represent a capsomere. what can i do to display this in Chimera ? Do I require any plug-in?</div><div style="margin: 0px;">Thank you<span style="font-family: 'Heiti SC Light';">！</span></div><div style="margin: 0px; min-height: 14px;">Best wishes<span style="font-family: 'Heiti SC Light';">!</span></div><div apple-content-edited="true"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br></div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Zhihai Li<br><br>School of Life Sciences, Xiamen University.<br>Xiang'an Road(South), Xiang'an District, Xiamen City,<br>Fujian Province, China.</div></div><br></div>_______________________________________________<br>Chimera-users mailing list<br><a href="mailto:Chimera-users@cgl.ucsf.edu">Chimera-users@cgl.ucsf.edu</a><br><a href="http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users">http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users</a><br></blockquote></div><br></div></div></blockquote></div><br></div></div></div></div></blockquote><div><div>On Jun 11, 2014, at 8:52 AM, Tom Goddard <<a href="mailto:goddard@sonic.net">goddard@sonic.net</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi Zhihai,<div><br></div><div> You can draw an icosahedron mesh with the Icosahedron Surface tool (menu Tools / Higher-Order Structure), or the Chimera “shape” command, for example,</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span>shape icosahedron radius 55 orientation 2n5 lattice 2,1</div><div><br></div><div>You’ll need to figure out the right radius (just try different values and compare the size to the density map), the density map should be centered (use Volume Viewer menu Features / Coordinates to set the origin for the map), figure out which of the standard icosahedron orientations your map uses (just try different ones and compare to your map), and figure out the two lattice parameters if you want to replicate the protein packing in the capsid. The graphical Icosahedron Surface tool does not let you set lattice parameters — it only shows a simple 12 vertex icosahedron.</div><div><br></div><div> If you want to turn the mesh into a ball and stick model you use the Chimera “meshmol” command.</div><div><br></div><div> Here is documentation of these commands</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/data/tutorials/volumetour/volumetour.html#icoscage">http://www.cgl.ucsf.edu/chimera/data/tutorials/volumetour/volumetour.html#icoscage</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/icosahedron/icosahedron.html">http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/icosahedron/icosahedron.html</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/shape.html">http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/shape.html</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/meshmol.html">http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/meshmol.html</a></div><div><br></div><div> Tom</div><div><br></div><div><em_1f8v.png></div><div><br></div><div><br><div><div>On Jun 10, 2014, at 8:48 PM, 李智海 <<a href="mailto:21620101152414@stu.xmu.edu.cn">21620101152414@stu.xmu.edu.cn</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Hi<span style="font-family: 'Heiti SC Light';">，</span></div><div style="margin: 0px;">I have a density map of an icosahedral capsid, and now i want to make a icosahedral model to represent the capsid. In this model, every corner represent a capsomere. what can i do to display this in Chimera ? Do I require any plug-in?</div><div style="margin: 0px;">Thank you<span style="font-family: 'Heiti SC Light';">！</span></div><div style="margin: 0px; min-height: 14px;">Best wishes<span style="font-family: 'Heiti SC Light';">!</span></div><div apple-content-edited="true"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br></div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Zhihai Li<br><br>School of Life Sciences, Xiamen University.<br>Xiang'an Road(South), Xiang'an District, Xiamen City,<br>Fujian Province, China.</div></div><br></div>_______________________________________________<br>Chimera-users mailing list<br><a href="mailto:Chimera-users@cgl.ucsf.edu">Chimera-users@cgl.ucsf.edu</a><br><a href="http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users">http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users</a><br></blockquote></div><br></div></div></blockquote></div><br></div></div></blockquote></div><br></div></div></div></div></blockquote><div><div>On Jun 18, 2014, at 11:38 AM, Tom Goddard <<a href="mailto:goddard@sonic.net">goddard@sonic.net</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=gb18030"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Hi Zhihai,</div><div><br></div><div> The example icosahedral cage figure you sent is unusual because it has virus pentamers at six-fold vertices. The arrangement is a T = 7d lattice and the Chimera command “shape icos radius 300 lattice 1,2” makes a matching cage with hexagons and pentagons as shown in the attached image. But I can see how you don’t want that because the cage hexagons have pentamers in the middle. To make a cage like the figure you show is tricky in Chimera. It is basically an icosahedron (12 vertices and 20 faces) with each edge subdivided in 3 parts. Here’s a way to make such an subdivision in Chimera</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>shape icos radius 100 mesh true div 1</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>sop finerMesh #0 spacing 50</div><div><br></div><div>The first command makes a 12 vertex icoshedron, and the second command subdivides it to make a 72 vertex cage. The result has pointy 5-fold vertices. To make it more spherical as in the figure you sent you can smooth it with a command I just added today</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>sop smooth #1 iter 8 inplace true</div><div><br></div><div>This “sop smooth” command moves the vertices towards their connected neighbors and will be in tonight’s Chimera daily build. I’ve attached an image of the result after using the meshmol command to replace the edge lines with cylinders.</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div><br></div><div><span><emd5155_cage.jpg></span><span><icos72.jpg></span><br><div><br></div><blockquote type="cite"><div style="margin: 0px;"><b>From: </b>李智海 <br></div><div style="margin: 0px;"><b>Subject: </b><b>Re: [Chimera-users] Icosahedral model</b><br></div><div style="margin: 0px;"><b>Date: </b>June 17, 2014 at 7:38:03 PM PDT<br></div><div style="margin: 0px;"><b>To: </b>Tom Goddard <br></div><br><div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div>Hi, Tom,<span><无标题.png></span><div>Thanks very much for your reply! </div><div>However, it seems to be that I can’t achieve what I want by performing these processes. Every capsomere should be a node in the icosahedral model which represents the distribution of capsomeres on the virus capsid.</div><div>Attached is an example model (<i>right</i>) of what I want from an article(<i>Mattias Wolf et al. PNAS ) . </i></div><div>Can I get that model from Chimera?</div><div>Any help would be appreciated.</div><div><br></div><div>Best wishes!</div><div><br></div><div><div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Zhihai Li<br><br></div></div><br><div><div>在 2014年6月11日，下午11:52，Tom Goddard <<a href="mailto:goddard@sonic.net">goddard@sonic.net</a>> 写道：</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi Zhihai,<div><br></div><div> You can draw an icosahedron mesh with the Icosahedron Surface tool (menu Tools / Higher-Order Structure), or the Chimera “shape” command, for example,</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span>shape icosahedron radius 55 orientation 2n5 lattice 2,1</div><div><br></div><div>You’ll need to figure out the right radius (just try different values and compare the size to the density map), the density map should be centered (use Volume Viewer menu Features / Coordinates to set the origin for the map), figure out which of the standard icosahedron orientations your map uses (just try different ones and compare to your map), and figure out the two lattice parameters if you want to replicate the protein packing in the capsid. The graphical Icosahedron Surface tool does not let you set lattice parameters — it only shows a simple 12 vertex icosahedron.</div><div><br></div><div> If you want to turn the mesh into a ball and stick model you use the Chimera “meshmol” command.</div><div><br></div><div> Here is documentation of these commands</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/data/tutorials/volumetour/volumetour.html#icoscage">http://www.cgl.ucsf.edu/chimera/data/tutorials/volumetour/volumetour.html#icoscage</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/icosahedron/icosahedron.html">http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/icosahedron/icosahedron.html</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/shape.html">http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/shape.html</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/meshmol.html">http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/meshmol.html</a></div><div><br></div><div> Tom</div><div><br></div><div><em_1f8v.png></div><div><br></div><div><br><div><div>On Jun 10, 2014, at 8:48 PM, 李智海 <<a href="mailto:21620101152414@stu.xmu.edu.cn">21620101152414@stu.xmu.edu.cn</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Hi<span style="font-family: 'Heiti SC Light';">，</span></div><div style="margin: 0px;">I have a density map of an icosahedral capsid, and now i want to make a icosahedral model to represent the capsid. In this model, every corner represent a capsomere. what can i do to display this in Chimera ? Do I require any plug-in?</div><div style="margin: 0px;">Thank you<span style="font-family: 'Heiti SC Light';">！</span></div><div style="margin: 0px; min-height: 14px;">Best wishes<span style="font-family: 'Heiti SC Light';">!</span></div><div apple-content-edited="true"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br></div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Zhihai Li<br><br>School of Life Sciences, Xiamen University.<br>Xiang'an Road(South), Xiang'an District, Xiamen City,<br>Fujian Province, China.</div></div><br></div>_______________________________________________<br>Chimera-users mailing list<br><a href="mailto:Chimera-users@cgl.ucsf.edu">Chimera-users@cgl.ucsf.edu</a><br><a href="http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users">http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users</a><br></blockquote></div><br></div></div></blockquote></div><br></div></div></div></div></blockquote><div><div>On Jun 11, 2014, at 8:52 AM, Tom Goddard <<a href="mailto:goddard@sonic.net">goddard@sonic.net</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=gb18030"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi Zhihai,<div><br></div><div> You can draw an icosahedron mesh with the Icosahedron Surface tool (menu Tools / Higher-Order Structure), or the Chimera “shape” command, for example,</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>shape icosahedron radius 55 orientation 2n5 lattice 2,1</div><div><br></div><div>You’ll need to figure out the right radius (just try different values and compare the size to the density map), the density map should be centered (use Volume Viewer menu Features / Coordinates to set the origin for the map), figure out which of the standard icosahedron orientations your map uses (just try different ones and compare to your map), and figure out the two lattice parameters if you want to replicate the protein packing in the capsid. The graphical Icosahedron Surface tool does not let you set lattice parameters — it only shows a simple 12 vertex icosahedron.</div><div><br></div><div> If you want to turn the mesh into a ball and stick model you use the Chimera “meshmol” command.</div><div><br></div><div> Here is documentation of these commands</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.cgl.ucsf.edu/chimera/data/tutorials/volumetour/volumetour.html#icoscage">http://www.cgl.ucsf.edu/chimera/data/tutorials/volumetour/volumetour.html#icoscage</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/icosahedron/icosahedron.html">http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/icosahedron/icosahedron.html</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/shape.html">http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/shape.html</a></div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/meshmol.html">http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/meshmol.html</a></div><div><br></div><div> Tom</div><div><br></div><div><span><em_1f8v.png></span></div><div><br></div><div><br><div><div>On Jun 10, 2014, at 8:48 PM, 李智海 <<a href="mailto:21620101152414@stu.xmu.edu.cn">21620101152414@stu.xmu.edu.cn</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=GB2312"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Hi<span style="font-family: 'Heiti SC Light';">，</span></div><div style="margin: 0px;">I have a density map of an icosahedral capsid, and now i want to make a icosahedral model to represent the capsid. In this model, every corner represent a capsomere. what can i do to display this in Chimera ? Do I require any plug-in?</div><div style="margin: 0px;">Thank you<span style="font-family: 'Heiti SC Light';">！</span></div><div style="margin: 0px; min-height: 14px;">Best wishes<span style="font-family: 'Heiti SC Light';">!</span></div><div apple-content-edited="true">
<div style="letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br></div><div style="letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Zhihai Li<br><br>School of Life Sciences, Xiamen University.<br>Xiang'an Road(South), Xiang'an District, Xiamen City,<br>Fujian Province, China.</div>
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