[Chimera-users] Select

Eric Pettersen pett at cgl.ucsf.edu
Mon Jun 27 11:33:34 PDT 2011

On Jun 27, 2011, at 11:25 AM, George Tzotzos wrote:

> Can anyone provide some help.
> I'm trying to select two specific oxygen atoms in different residues  
> (98 and 142).
> The command select :142 at O1 :98 at O1 selects only 1 atom (that of  
> residue 142).
> I tried select :98 at O1 only. The output is "selection" cleared.
> I'm rather puzzled. Any help would be greatly appreciated

Hi George,
	Chimera either believes there is no residue 98 in your structure, or  
that there is no atom named "O1" in that residue.  Try this:

	select :98

Does anything get selected?  If that does select a residue, then do  

	label sel

Is there an "O1" among the atoms that get labeled?


                         Eric Pettersen
                         UCSF Computer Graphics Lab

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