[gmx-users] selection around circle

[jkrieger at mrc-lmb.cam.ac.uk]

I think g_select does something like this. I am trying to do something
similar: make a selection of water within 5A or so of a residue in my
protein. Also need help please.

> Dear Gmx Users,
>
> I have my carbon nanotube (lenght z axis) with proteins attached to it. I
> wish to collect RDF of given type of amino acids away from the surface in
> two dimensions (xy). Z axis does not interest me. That would make a circle
> then. My question: how to make a specific index group of this circle? Any
> ideas appreciated.
>
> Steven
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