<div class="__aliyun_email_body_block"><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;">Dear all,</div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><br data-mce-bogus="1"></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;">I am dealing with a EM map which is a double helical filament and composed of two protein chains winding each other. Each of the two chains is composed of multiple same protein subunits. Now I am trying to color one chain of the map with one color, and the other chain with another color. How should I do that?</div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><br data-mce-bogus="1"></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;">Besides, it is known that multiple such&nbsp;<span style="color: rgb(0, 0, 0); font-family: Tahoma, Arial, STHeiti, SimSun; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 23px; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none;">double helixes can constitute a longer helix by a head-to-tail way. &nbsp;I can open several helixes in chimera, but how to concatenate they correctly into a long helix?</span></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><span style="color: rgb(0, 0, 0); font-family: Tahoma, Arial, STHeiti, SimSun; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 23px; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none;"><br data-mce-bogus="1"></span></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><span style="color: rgb(0, 0, 0); font-family: Tahoma, Arial, STHeiti, SimSun; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 23px; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none;"><span lang="EN-US" style="font-size:10.0pt;font-family:
&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;
color:black;background:white;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA">Could you help me with these questions?</span></span></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><span style="color: rgb(0, 0, 0); font-family: Tahoma, Arial, STHeiti, SimSun; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 23px; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none;"><span lang="EN-US" style="font-size:10.0pt;font-family:
&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;
color:black;background:white;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA"><br data-mce-bogus="1"></span></span></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><span style="color: rgb(0, 0, 0); font-family: Tahoma, Arial, STHeiti, SimSun; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 23px; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none;"><span lang="EN-US" style="font-size:10.0pt;font-family:
&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;
color:black;background:white;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA">With many thanks!&nbsp;</span>&nbsp;</span></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><br></div><div class="__aliyun_signature_wrap"><p>Yeping Sun</p>
<p>Institute of Microbiology, Chinese Academy of Sciences</p></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><br></div></div>