[Chimera-users] Selecting residues in chains defined by segname

Elaine Meng meng at cgl.ucsf.edu
Sun Oct 15 11:04:25 PDT 2017

Hi Francesco,
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.

select @/pdbSegment=A1
color red @/pdbSegment=F3

I hope this helps,
Elaine C. Meng, Ph.D.                       
UCSF Chimera(X) team
Department of Pharmaceutical Chemistry
University of California, San Francisco

> On Oct 15, 2017, at 10:40 AM, Francesco Pietra <chiendarret at gmail.com> wrote:
> Hi Elaine:
> I am referring to Oct 28, 2005, at 9:50 AM, Eric Gillitzer wrote:
>  and your answer:
> 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
> I have a more complex case, where chains are defined by segname, 
> for example
> A1 A2 A3 A4 A5 etc
> while the standard PDB definition is "A" for all them.
> The same for standard "B", "C" etc.
> As I want to display a movie of ligand pathways, where the ligand 
> moves from, say, "A1" to, say, "F3", I want in the first instance 
> become able to select particular residues in particular chains, 
> as defined by their segname.
> Could you imagine a simple way not requiring selection by atom numbers?
> Thanks
> francesco pietra

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