Re: [gmx-users] How to center my trimer in my simulation box.

2008-04-22 Thread Xavier Periole

On Tue, 22 Apr 2008 14:14:19 -0700
 Ilya Chorny [EMAIL PROTECTED] wrote:

Hello,

I am simulating a trimer in a membrane. In one of my simulation  two of the
monomers are on one side of the box and the other monomer is on the other
side of the box. I tried using trjconv to center the whole thing in the
center of my simulation cell but have failed miserably. I also searched
around for about an hour and could not find anything.

I use trjconv -f *.gro -s *.tpr -center rect -pbc whole -o *.gro.

first run
trjconv -pbc nojump

Any advice?

Thanks,

Ilya

--
Ilya Chorny Ph.D.


-
XAvier Periole - PhD

NMR  Molecular Dynamics Group
University of Groningen
The Netherlands
http://md.chem.rug.nl/~periole
-
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Re: [gmx-users] How to center my trimer in my simulation box.

2008-04-22 Thread Ilya Chorny
Just to clarify.
I would run

trjconv -f *.gro -s *.tpr -pbc nojump -o out.gro?

What would I run next?

Thanks,

Ilya


On Tue, Apr 22, 2008 at 2:59 PM, Xavier Periole [EMAIL PROTECTED] wrote:

 On Tue, 22 Apr 2008 14:14:19 -0700
  Ilya Chorny [EMAIL PROTECTED] wrote:

  Hello,
 
  I am simulating a trimer in a membrane. In one of my simulation  two of
  the
  monomers are on one side of the box and the other monomer is on the
  other
  side of the box. I tried using trjconv to center the whole thing in the
  center of my simulation cell but have failed miserably. I also searched
  around for about an hour and could not find anything.
 
  I use trjconv -f *.gro -s *.tpr -center rect -pbc whole -o *.gro.
 
 first run
 trjconv -pbc nojump

  Any advice?
 
  Thanks,
 
  Ilya
 
  --
  Ilya Chorny Ph.D.
 

 -
 XAvier Periole - PhD

 NMR  Molecular Dynamics Group
 University of Groningen
 The Netherlands
 http://md.chem.rug.nl/~periole
 -
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-- 
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Re: [gmx-users] How to center my trimer in my simulation box.

2008-04-22 Thread Ilya Chorny
So I got it to center my protein (using -pbc nojump)  and keep the trimer
and the membrane in tact but it completely destroyed my water. I was hoping
I could get the whole simulation box back with the protein in the center.
Is that possible?

Thanks,

Ilya


On Tue, Apr 22, 2008 at 3:25 PM, Ilya Chorny [EMAIL PROTECTED] wrote:

 Just to clarify.
 I would run

 trjconv -f *.gro -s *.tpr -pbc nojump -o out.gro?

 What would I run next?

 Thanks,

 Ilya


 On Tue, Apr 22, 2008 at 2:59 PM, Xavier Periole [EMAIL PROTECTED] wrote:

  On Tue, 22 Apr 2008 14:14:19 -0700
   Ilya Chorny [EMAIL PROTECTED] wrote:
 
   Hello,
  
   I am simulating a trimer in a membrane. In one of my simulation  two
   of the
   monomers are on one side of the box and the other monomer is on the
   other
   side of the box. I tried using trjconv to center the whole thing in
   the
   center of my simulation cell but have failed miserably. I also
   searched
   around for about an hour and could not find anything.
  
   I use trjconv -f *.gro -s *.tpr -center rect -pbc whole -o *.gro.
  
  first run
  trjconv -pbc nojump
 
   Any advice?
  
   Thanks,
  
   Ilya
  
   --
   Ilya Chorny Ph.D.
  
 
  -
  XAvier Periole - PhD
 
  NMR  Molecular Dynamics Group
  University of Groningen
  The Netherlands
  http://md.chem.rug.nl/~periole http://md.chem.rug.nl/%7Eperiole
  -
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 --
 Ilya Chorny Ph.D.




-- 
Ilya Chorny Ph.D.
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Re: [gmx-users] How to center my trimer in my simulation box.

2008-04-22 Thread Alan Dodd
I've often found it necessary to do multiple trjconv steps to get the result I 
want.  So in this case, I'd probably make sure my protein is genuinely centered 
in the box, then take that output .xtc and then make sure everything is whole 
and approximately in the box (-pbc whole).


- Original Message 
From: Ilya Chorny [EMAIL PROTECTED]
To: Discussion list for GROMACS users gmx-users@gromacs.org
Sent: Tuesday, April 22, 2008 11:52:23 PM
Subject: Re: [gmx-users] How to center my trimer in my simulation box.

So I got it to center my protein (using -pbc nojump)  and keep the trimer and 
the membrane in tact but it completely destroyed my water. I was hoping I could 
get the whole simulation box back with the protein in the center.  Is that 
possible?

Thanks,

Ilya



On Tue, Apr 22, 2008 at 3:25 PM, Ilya Chorny [EMAIL PROTECTED] wrote:

Just to clarify.


I would run


trjconv -f *.gro -s *.tpr -pbc nojump -o out.gro?


What would I run next?


Thanks,


Ilya



On Tue, Apr 22, 2008 at 2:59 PM, Xavier Periole [EMAIL PROTECTED] wrote:

On Tue, 22 Apr 2008 14:14:19 -0700
 Ilya Chorny [EMAIL PROTECTED] wrote:

Hello,

I am simulating a trimer in a membrane. In one of my simulation  two of the
monomers are on one side of the box and the other monomer is on the other
side of the box. I tried using trjconv to center the whole thing in the
center of my simulation cell but have failed miserably. I also searched
around for about an hour and could not find anything.

I use trjconv -f *.gro -s *.tpr -center rect -pbc whole -o *.gro.

first run
trjconv -pbc nojump


Any advice?

Thanks,

Ilya

-- 
Ilya Chorny Ph.D.



-
XAvier Periole - PhD

NMR  Molecular Dynamics Group
University of Groningen
The Netherlands
http://md.chem.rug.nl/~periole
-
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-- 
Ilya Chorny Ph.D.




-- 
Ilya Chorny Ph.D.


  

Be a better friend, newshound, and 
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Re: [gmx-users] How to center my trimer in my simulation box.

2008-04-22 Thread Ilya Chorny
So I got it to work for my trimer by doing the following.
1.) trjconv -f *.xtc -s *.tpr -pbc nojump -o out.xtc
2.) trjconv -f out.xtc -s *.tpr -pbc mol -center -boxcenter rect

The first step unwraps the whole trajectory and the second step wraps it
back up.

Cheers,

Ilya


-- 
Ilya Chorny Ph.D.

On Tue, Apr 22, 2008 at 4:30 PM, Alan Dodd [EMAIL PROTECTED] wrote:

 I've often found it necessary to do multiple trjconv steps to get the
 result I want.  So in this case, I'd probably make sure my protein is
 genuinely centered in the box, then take that output .xtc and then make sure
 everything is whole and approximately in the box (-pbc whole).


  - Original Message 
 From: Ilya Chorny [EMAIL PROTECTED]
 To: Discussion list for GROMACS users gmx-users@gromacs.org
 Sent: Tuesday, April 22, 2008 11:52:23 PM
 Subject: Re: [gmx-users] How to center my trimer in my simulation box.

 So I got it to center my protein (using -pbc nojump)  and keep the trimer
 and the membrane in tact but it completely destroyed my water. I was hoping
 I could get the whole simulation box back with the protein in the center.
 Is that possible?

 Thanks,

 Ilya


 On Tue, Apr 22, 2008 at 3:25 PM, Ilya Chorny [EMAIL PROTECTED] wrote:

  Just to clarify.
  I would run
 
  trjconv -f *.gro -s *.tpr -pbc nojump -o out.gro?
 
  What would I run next?
 
  Thanks,
 
  Ilya
 
 
  On Tue, Apr 22, 2008 at 2:59 PM, Xavier Periole [EMAIL PROTECTED]
  wrote:
 
   On Tue, 22 Apr 2008 14:14:19 -0700
Ilya Chorny [EMAIL PROTECTED] wrote:
  
Hello,
   
I am simulating a trimer in a membrane. In one of my simulation  two
of the
monomers are on one side of the box and the other monomer is on the
other
side of the box. I tried using trjconv to center the whole thing in
the
center of my simulation cell but have failed miserably. I also
searched
around for about an hour and could not find anything.
   
I use trjconv -f *.gro -s *.tpr -center rect -pbc whole -o *.gro.
   
   first run
   trjconv -pbc nojump
  
Any advice?
   
Thanks,
   
Ilya
   
--
Ilya Chorny Ph.D.
   
  
   -
   XAvier Periole - PhD
  
   NMR  Molecular Dynamics Group
   University of Groningen
   The Netherlands
   http://md.chem.rug.nl/~periole
   -
   ___
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  --
  Ilya Chorny Ph.D.
 



 --
 Ilya Chorny Ph.D.


 --
 Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it
 now.http://us.rd.yahoo.com/evt=51733/*http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ

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-- 
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