<div dir="ltr"><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:107%;font-family:Arial,sans-serif">Dear all</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:107%;font-family:Arial,sans-serif"> </span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:107%;font-family:Arial,sans-serif">I am starting to use Chimera as a master's student and I
have some difficulties.</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:107%;font-family:Arial,sans-serif">I know how to select the amino acids that are part of the
surface of my protein. However, I don't know how to select the atoms of the
surface. Specifically, the atoms accessible to the solvent.</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:107%;font-family:Arial,sans-serif">My second question is:</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:107%;font-family:Arial,sans-serif">I would like to know how polar amino acids (arginine,
asparagine, aspartic acid, cysteine, etc.) and non-polar amino acids (alanine,
glycine, isoleucine, leucine, etc.) can appear. Is there any configuration that
allows me to identify polar and non-polar amino acids for edit them? Is it
possible to customize those amino acids when I select them?</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:107%;font-family:Arial,sans-serif">I would be grateful if someone could help me, thank you.</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:107%;font-family:Arial,sans-serif">Best regards,</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif">















</p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:107%;font-family:Arial,sans-serif">Susanna</span></p></div>