[Chimera-users] Selecting certain atoms with exception

Elaine Meng meng at cgl.ucsf.edu
Tue Mar 14 09:21:20 PDT 2017


Hi Kelvin,
You could do it in two commands, which may be easier conceptually:

select :trp
~sel :285

To do it in a single command, you’d use something like this (logical “and not”):

select :trp &  ~  :285

I hope this helps,
Elaine
----------
Elaine C. Meng, Ph.D. 
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco


> On Mar 14, 2017, at 2:37 AM, Kelvin Lau <Kelvin.Lau at unige.ch> wrote:
> 
> Dear Chimera users,
> I'm trying to do the following:
> 
> -select all the atoms of a single residue (trp)
> 
> -except for one (residue number 285)
> 
> I am not sure how to use a negation command to leave out only 285. Any ideas?
> Cheers
> Kelvin



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