From: Tristan Croll (tristan.croll_at_qut.edu.au)
Date: Thu Feb 12 2015 - 03:23:33 CST

That will select every resid 5 from all the segments in your structure. The keyword you're looking for is "residue" (or, if you like, "segname XXX and resid 5").

 
 
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> On 12 Feb 2015, at 5:44 pm, Monika Madhavi <monikamadhavi_at_gmail.com> wrote:
>
> Dear all,
>
> I need to select all the atoms of a particular water molecule from a dcd file and write it's coordinates to a separate pdb/dcd file. Can I do this using atomselect in vmd tcl? I tried the following command but it doesn't work.
>
> set sel [atomselect top {resid 5}]
>
> Thank you.
> Monika
>
> --
> W.A.Monika Madhavi
> Lecturer (Probation),
> Department of Physics,
> University of Colombo.