[Chimera-users] select by atom number

[Elaine Meng]

Hi Francesco,
Well, it's not really a trick, you can just use the "serialNumber" attribute like other attributes in the command line, for example:

select @/serialNumber=19
sel @/serialNumber>12 and serialNumber<16

see "atom specification" 
<http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/frameatom_spec.html>
especially the section on attributes
<http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/atom_spec.html#descriptors>
and atom attributes list
<http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/atom_spec.html#atprops>

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 9, 2011, at 12:21 PM, Francesco Pietra wrote:

> Hello:
> Is any trick to select by atom number? Having NAMD files with CHARMM
> FF, i.e., SEGID and no chain ID, I find now difficult to use CHIMERA
> the way I used it.
> Thanks
> francesco pietra
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