[Chimera-users] select by atom number

Elaine Meng meng at cgl.ucsf.edu
Wed Mar 9 12:31:45 PST 2011

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" 
especially the section on attributes
and atom attributes list

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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