<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Fernando,<div class=""><br class=""></div><div class=""> Instead of thinking about the coloring, it would be clearer to ask how much surface area has electrostatic potential value >= 5. Chimera does not have any code to compute that, although it is something we could add to ChimeraX.</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><br class=""><blockquote type="cite" class=""><div class="">On Sep 11, 2019, at 7:27 PM, Fernando Villa <<a href="mailto:fer.vdl1928@gmail.com" class="">fer.vdl1928@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><font face="Roboto, RobotoDraft, Helvetica, Arial, sans-serif" class=""><span style="font-size:14px" class="">Dear all Chimera users</span></font><div class=""><font face="Roboto, RobotoDraft, Helvetica, Arial, sans-serif" class=""><span style="font-size:14px" class=""><br class=""></span></font><div class="">In UCSF ChimeraX version 0.91 (2019-08-30)</div><div class="">I opened a .pqr file (generated with pdb2pqr in Chimera 1.14) and then I opened a .dx file
(generated with APBS in Chimera 1.14)
</div><div class=""><br class=""></div><div class="">Then I input the commands:<br class=""></div><div class=""><br class=""></div><div class=""><div class=""><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div style="text-align:center" class=""><div style="text-align:left" class="">>surface</div><div style="text-align:left" class="">>color electrostatic #1 map #2 palette -10,red:0,white:10,blue<br class=""></div><div style="text-align:left" class=""><br class=""></div><div style="text-align:left" class=""><div class=""><span id="cid:ii_k0g23mqj2"><image.png></span><br class=""></div></div><div style="text-align:left" class="">Is it possible to calculate the red and blue area in Å2 of the molecule?</div><div style="text-align:left" class=""><br class="">Best regards,<br class=""><br class="">Fernando<br class=""></div><div style="text-align:left" class=""><br class=""></div></div><div style="text-align:center" class=""><i style="color:rgb(0,0,255);font-size:small" class=""><font face="arial narrow, sans-serif" class=""><br class=""></font></i></div><div style="text-align:center" class=""><font face="arial narrow, sans-serif" class="">ATTE</font></div><div style="text-align:center" class=""><font face="arial narrow, sans-serif" class="">Fernando Villa Díaz</font></div><div style="text-align:center" class=""><font face="monospace, monospace" class=""><br class=""><br class=""></font></div></div></div></div></div></div></div></div></div></div>
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