<div dir="ltr"><div><div><div>Hi Elaine:<br></div>That works fine. However, I was unable to extend your suggestions to pick up a specific residue within a specific chain. Neither "select :17 @/pdbSegment=A1" nor "select @/pdbSegment=A1 :17" are valid commands (obviously expected).<br><br></div>On the other hand, with such complex situations, it is Xplor, with its segname features, that helps.<br><br></div>Should you need a pdb fine with segname, I could attach a simple one, with a single chain. <br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Oct 15, 2017 at 8:04 PM, Elaine Meng <span dir="ltr"><<a href="mailto:meng@cgl.ucsf.edu" target="_blank">meng@cgl.ucsf.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Francesco,<br>
Although I don’t have an example file with segnames to try myself, I’m told you can specify by the atom attribute pdbSegment, e.g.<br>
<br>
select @/pdbSegment=A1<br>
color red @/pdbSegment=F3<br>
<br>
I hope this helps,<br>
Elaine<br>
-----<br>
Elaine C. Meng, Ph.D.<br>
UCSF Chimera(X) team<br>
Department of Pharmaceutical Chemistry<br>
University of California, San Francisco<br>
<div class="HOEnZb"><div class="h5"><br>
> On Oct 15, 2017, at 10:40 AM, Francesco Pietra <<a href="mailto:chiendarret@gmail.com">chiendarret@gmail.com</a>> wrote:<br>
><br>
> Hi Elaine:<br>
><br>
> I am referring to Oct 28, 2005, at 9:50 AM, Eric Gillitzer wrote:<br>
> and your answer:<br>
><br>
> command: select :45.a-d > or > command: select :45.* > > Or, to select residue 45 in just chains A and D: > > command: select :45.a,45.d<br>
><br>
> I have a more complex case, where chains are defined by segname,<br>
> for example<br>
><br>
> A1 A2 A3 A4 A5 etc<br>
><br>
> while the standard PDB definition is "A" for all them.<br>
><br>
> The same for standard "B", "C" etc.<br>
><br>
> As I want to display a movie of ligand pathways, where the ligand<br>
> moves from, say, "A1" to, say, "F3", I want in the first instance<br>
> become able to select particular residues in particular chains,<br>
> as defined by their segname.<br>
><br>
> Could you imagine a simple way not requiring selection by atom numbers?<br>
> Thanks<br>
> francesco pietra<br>
<br>
</div></div></blockquote></div><br></div>