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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt'>Hello,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>I am trying to visualize the SARS-CoV-2 spike protein, which is a trimer (PDB no. 6CRZ). I wish to surface chain B, which is in an “up” conformation) but it kept giving me an error message. I tried the “split” command and other solutions without success. I could surface just the B chain but I really want to surface all 3 chains and color the RBD.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Could anyone help me with this issue?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Thank you,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Chun-Nan Chen, Ph.D.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>CEO<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Single Cell Technology, Inc.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>6280 San Ignacio Ave. Suite E<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>San Jose, CA 95119<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Mobile: (408) 769-2171<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Email: <a href="mailto:chunnan.chen@singlecelltechnology.com"><span style='color:#0563C1'>chunnan.chen@singlecelltechnology.com</span></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Web: <a href="http://www.singlecelltechnology.com/"><span style='color:#0563C1'>singlecelltechnology.com</span></a></span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>