[Chimera-users] select atoms near at least one other atom in original selection?

Elaine Meng meng at cgl.ucsf.edu
Tue Nov 1 11:04:31 PDT 2016

Hi Oli,
To select all residues with any atom within 10 angstroms of current selection:

sel sel zr<10

I wasn’t totally sure if that was what you wanted. If you just want atoms and not whole residues, it would be za instead of zr.
Elaine C. Meng, Ph.D. 
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

> On Nov 1, 2016, at 10:47 AM, Oliver Clarke <olibclarke at gmail.com> wrote:
> Hi,
> I’d basically like to perform the equivalent of “hide dust” on an atom selection. I have a bunch of mutation positions that I’ve mapped onto a structure, and I would like to create a subselection containing only those positions which are within lets say 10Å of at least one other postion in the original selection - basically to represent  structural clusters of mutations on the structure. Does anyone have any suggestion how to create such a selection using Chimera’s atom selection language? It seems like zr should do it but I can’t quite figure out how.
> Cheers
> Oli.

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