Can you please let me know what the problem is ? 
      From: saeed poorasad <s_poora...@yahoo.com>
 To: "Smith, Micholas D." <smit...@ornl.gov>; "gmx-us...@gromacs.org" 
<gmx-us...@gromacs.org> 
 Sent: Tuesday, 14 April 2015, 9:59
 Subject: Re: [gmx-users] A simple question
   
Dear Dr.Smith ,
Thanks for your replay .
This is a part of my PDB file : 
ATOM      1  CD1 TRP      1      19.910  19.430  16.500  1.00  0.00ATOM      2  
CD1 TRP      1      20.210  20.850  16.560  1.00  0.00ATOM      3  CD1 TRP      
1      19.010  21.540  16.970  1.00  0.00ATOM      4  CD1 TRP      1      
17.960  20.560  17.150  1.00  0.00ATOM      5  CD1 TRP      1      18.520  
19.250  16.860  1.00  0.00ATOM      6  CD1 TRP      1      19.090  22.640  
17.820  1.00  0.00...I want to define C-delta atom of the aromatic tryptophan 
amino acid for C60 carbons and i want to use oplsaa force field.

Best regards ,Saeed.



 
 

     From: "Smith, Micholas D." <smit...@ornl.gov>
 To: "gmx-us...@gromacs.org" <gmx-us...@gromacs.org>; saeed poorasad 
<s_poora...@yahoo.com> 
 Sent: Monday, 13 April 2015, 21:24
 Subject: Re: [gmx-users] A simple question
   
Hi Saeed,

Attachments don't work with the mailing list. Could you copy a few lines of the 
pdb for us to look at and maybe upload the pdb you generated to dropbox or a 
similar site?

Also pdb2gmx may not be the best route here. You may need to explicitly write 
your own topology file (tedious as it may be), but lets take a closer look at 
what your pdb first.

===================
Micholas Dean Smith, PhD.
Post-doctoral Research Associate
University of Tennessee/Oak Ridge National Laboratory
Center for Molecular Biophysics

________________________________________


From: gromacs.org_gmx-users-boun...@maillist.sys.kth.se 
<gromacs.org_gmx-users-boun...@maillist.sys.kth.se> on behalf of saeed poorasad 
<s_poora...@yahoo.com>
Sent: Monday, April 13, 2015 2:29 AM
To: gmx-us...@gromacs.org
Subject: [gmx-users] A simple question

Hi .
Dear Gromacs users .
Today is the first day that i am working with GROMACS .I want to have a system 
with one C60 and about 1000 water molecules .I tried to use pdb2gmx on C60.pdb 
but I got fatal error , I think the problem is because of my PDB file .I want 
to define C-delta atom of the aromatic tryptophan amino acid for C60 carbons 
and i want to use oplsaa force field.
Can you please let me know what the problem is ?
I have attached my PDB file with this Email.
Best ,Saeed.


   

  
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