<div dir="ltr"><span class="gmail-im" style="color:rgb(80,0,80)"><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px">Dear Tom Goddard</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><br></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px">I would just like to know if there is any command in Chimera, which allows me to identify the atoms that are part of the total solvent accessible surface area (SAS).</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;text-align:justify;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px"> </span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;text-align:justify;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px">I will try to explain my question with an example.</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;text-align:justify;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px">First,</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px;color:rgb(31,78,121)">Commands:</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px;color:rgb(31,78,121)">open 121p</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px;color:rgb(31,78,121)">select :62</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px;color:rgb(31,78,121)">show sel</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px;color:rgb(31,78,121)">Select>residue>all nonstandard</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px;color:rgb(31,78,121)">Actions>Atoms/Bonds>delete</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px;color:rgb(31,78,121)">select :62@OE1</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px;color:rgb(31,78,121)">surface sel</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px;color:rgb(31,78,121)"> </span></p></span><div><img src="cid:ii_k0wzocq70" alt="image.png" width="451" height="301" class="gmail-CToWUd gmail-a6T" tabindex="0" style="cursor: pointer; outline: 0px;"><div class="gmail-yj6qo gmail-ajU" style="outline:none;padding:10px 0px;width:22px;margin:2px 0px 0px"><div id="gmail-:15s" class="gmail-ajR" tabindex="0" style="background-color:rgb(232,234,237);border:none;clear:both;line-height:6px;outline:none;width:24px;border-radius:5.5px"><img class="gmail-ajT" src="https://ssl.gstatic.com/ui/v1/icons/mail/images/cleardot.gif" style="background: url("https://www.gstatic.com/images/icons/material/system/1x/more_horiz_black_20dp.png") 50% 50% / 20px no-repeat; height: 11px; opacity: 0.54; width: 24px;"></div></div><div class="gmail-adL"><br></div></div><div class="gmail-adL"><div class="gmail-adm" style="margin:5px 0px"></div><div class="gmail-im" style="color:rgb(80,0,80)"><p class="MsoNormal" style="margin:0cm 0cm 8pt;text-align:justify;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px"><br></span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;text-align:justify;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px">As shown in the image, I have identified an atom that forms the surface accessible to the solvent. However, to identify the total atoms of that protein I have to select atom by atom, which implies a lot of time and more if I have several proteins.</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;text-align:justify;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px">So, I would like to know, if it´s possible to obtain a command that allows me to select all the atoms at the same time, specifying the atoms that are part of the total solvent accessible surface area(SAS).</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;text-align:justify;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px"> </span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px">Thank you (:</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px"> </span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px">kind regards,</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px">Susanna</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:14pt;line-height:19.9733px"> </span></p></div></div></div>