<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On Sep 23, 2010, at 6:33 AM, Francesco Oteri wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Dear all,<br>I'd like to use chimera to do a picture of a circular DNA with ribbon <br>representation.<br><br>I found the two following problems:<br>1.If I load the .pdb files, chimera is unable to recognize the topology <br>and shows extra-bond connecting the last base of a strand with the <br>previous of the other strand.<br></div></blockquote><div><br></div>I would need the PDB file in order to see exactly what you mean here, and to fix the problem.</div><div><br><blockquote type="cite"><div>2.If I load the AMBER topology, the connectivity is correctly <br>recognized, but the first base and last are not connected by the ribbon.</div></blockquote><br></div><div>This problem is marked as "fixed" in our bug database, but some simple testing shows that it is not. I have reopened that entry and will add you to the recipient list so that you will get notified when we fix it (hopefully for real!) again.</div><div><br></div><div>--Eric</div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><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 class="Apple-converted-space"> </span></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 class="Apple-converted-space"> </span></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="http://www.cgl.ucsf.edu">http://www.cgl.ucsf.edu</a></font></p><br class="Apple-interchange-newline"></div></span> </div><br></body></html>