<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Hi all,<DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>Right now, if you do the "chain trace" action (or type "chain @ca") Chimera shows carbon alphas and any inter-residue connectivity of those residues, including disulfide linkages. I'd like to know if users generally like this behavior or would instead prefer a "strict" backbone-only trace, so I can determine whether to change the behavior, offer both alternatives, or leave things alone.</DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>This is only really relevant to the "trace" depiction since although the "full" and "minimal" backbone depictions also show disulfides, that can be turned off by turning off auto-chaining via the Model Panel, Selection Inspector, or "setattr" command*.</DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN> So what do people think?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>--Eric</DIV><BR><DIV> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="5" style="font: 16.0px Helvetica"><SPAN class="Apple-converted-space"> </SPAN>Eric Pettersen</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="5" style="font: 16.0px Helvetica"><SPAN class="Apple-converted-space"> </SPAN>UCSF Computer Graphics Lab</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="5" style="font: 16.0px Helvetica"><SPAN class="Apple-converted-space"> </SPAN><A href="mailto:pett@cgl.ucsf.edu">pett@cgl.ucsf.edu</A></FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="5" style="font: 16.0px Helvetica"><SPAN class="Apple-converted-space"> </SPAN><A href="http://www.cgl.ucsf.edu">http://www.cgl.ucsf.edu</A></FONT></P><P style="margin: 0.0px 0.0px 0.0px 0.0px"><BR class="khtml-block-placeholder"></P><P style="margin: 0.0px 0.0px 0.0px 0.0px">* in the setattr command you would be setting "autochain" to false.</P> <BR class="Apple-interchange-newline"> </DIV><BR></BODY></HTML>