From: Peter Freddolino (petefred_at_ks.uiuc.edu)
Date: Thu May 03 2007 - 14:10:21 CDT

Are you using a protein with hydrogens added? Please verify that your
selections contain hydrogens, and nonzero numbers of atoms...

Peter

lily jin wrote:
> Hi,
>
> Please teachs me what is wrong with the commands below? Why I got
> nothing?
> Thank you!
>
>
> >Main< (TCLscripts) 82 % set sel [ atomselect top all ]
> atomselect4
> >Main< (TCLscripts) 83 % measure hbonds 5 30 $sel
> {} {} {}
>
> >Main< (TCLscripts) 85 % set sel1 [atomselect top "chain A B C D E F" ]
> atomselect5
> >Main< (TCLscripts) 86 % set sel1 [atomselect top "chain G" ]
> atomselect6
> >Main< (TCLscripts) 87 % measure hbonds 3.5 30 $sel1 $sel2
> {} {} {}
> *Lily*
>
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