I think I answered this a couple days ago, or a very similar question.
Try searching the list.

David


On 8/7/06, Owen, Michael <[EMAIL PROTECTED]> wrote:




Hello,

 I am trying to use NMR restraints to position a Cu2+ ion around specific
residues of a peptide.  I added Cu2+ using "genion" and then initiated
"grompp" before an energy minim minimization.  I received the following
error message while executing "grompp":


 -------------------------------------------------------
 Program grompp, VERSION 3.3.1
 Source code file: toppush.c, line: 1108

 Fatal error:
 [ file "Ab_Cu.top", line 5864 ]:
              Atom index (67248) in distance_restraints out of bounds (1-1)
 -------------------------------------------------------


 Below is the entry in the topology file.  Line 5864 contains the value 97
and the value 67248 refers is the atom number of the Cu2+ ion.


 [ distance_restraints ]

 ;ai     aj      type    index   type'   low     up1     up2     fac
 67248   97      1       1       1       0.185   0.195   0.2     1.0
 67248   196     1       1       1       0.185   0.195   0.2     1.0
 67248   213     1       1       1       0.185   0.195   0.2     1.0
 67248   148     1       1       1       0.195   0.205   0.21    1.0

 Could you suggest any changes that would eliminate my error?

 Thanks in advance,

 Michael Owen

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