From: Luis Gracia (lug2002_at_med.cornell.edu)
Date: Mon Oct 25 2004 - 14:45:54 CDT

I think I see the logic behind my selections. Thanks

Luis

John Stone said the following on 10/25/04 14:49:
> Hi,
> You should be aware that "noh" equates to "not hydrogen", and that
> when expanded in your atom selections, they'll read somewhat differently
> than you're expecting them to. I suspect this is likely what is causing
> your problem, though without your structure I'm not certain.
>
> Thanks,
> John Stone
> vmd_at_ks.uiuc.edu
>
> On Mon, Oct 25, 2004 at 02:42:37PM -0400, Luis Gracia wrote:
>
>>Hi!
>>
>>We are having a problem with the use of the "same as" expression. The
>>selection
>> "(exwithin 2 of resid 210) and noh"
>>correctly shows 2 atoms (of resids 71 and 76), while
>> "(same resid as exwithin 2 of resid 210) and noh"
>>fails showing also resids 124 and 128.
>>
>>Using the short circuit expression
>> "noh exwithin 2 of resid 210"
>>again correctly shows only the 2 atoms of resids 71 and 76, and
>> "same resid as noh exwithin 2 of resid 210"
>>correctly shows only the two complete resids 71 and 76.
>>
>>Is there something we are missing in the second expression? I am using
>>vmd 1.8.2 on a linux box. I can attach a pdb file upon request (235Kb),
>>but don't want to make any inconvinience for everybody.
>>
>>Thanks,
>>
>>Luis
>>
>>--
>>Luis Gracia, PhD
>>Department of Physiology & Biophysics
>>Weill Medical College of Cornell University
>>1300 York Avenue, Box 75
>>New York, NY 10021
>>
>>Tel: (212) 746-6375
>>Fax: (212) 746-8690
>>lug2002_at_med.cornell.edu
>
>

-- 
Luis Gracia, PhD
Department of Physiology & Biophysics
Weill Medical College of Cornell University
1300 York Avenue, Box 75
New York, NY 10021
Tel: (212) 746-6375
Fax: (212) 746-8690
lug2002_at_med.cornell.edu