[gmx-users] problem with FeS cluster

2009-06-03 Thread subarna thakur
Hello user
Can anybody please tell me how to prepare a topology file for the FES4 cluster 
incorporated in a protein

Subarna


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Re: [gmx-users] problem with FeS cluster

2009-06-03 Thread Justin A. Lemkul



subarna thakur wrote:

Hello user
Can anybody please tell me how to prepare a topology file for the FES4 
cluster incorporated in a protein
 


I passed along some useful information to you yesterday.  There is no easy 
answer.  To do so would involve a large amount of work, in any case, if it is 
even possible to model this species using a standard MM force field.


-Justin


Subarna


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Justin A. Lemkul
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ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
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http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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Re: [gmx-users] problem with FeS cluster

2009-06-03 Thread subarna thakur
Hi
I have gone through the material you have earlier mentioned but  I am still in 
dark and not sure where to start. Should I make chages in the relevent .rtp 
file to incorporate the atoms of the FE-S cluster?
Subarna





From: Justin A. Lemkul jalem...@vt.edu
To: Discussion list for GROMACS users gmx-us...@gromacs..org
Sent: Wednesday, 3 June, 2009 4:46:37 PM
Subject: Re: [gmx-users] problem with FeS cluster



subarna thakur wrote:
 Hello user
 Can anybody please tell me how to prepare a topology file for the FES4 
 cluster incorporated in a protein
  

I passed along some useful information to you yesterday.  There is no easy 
answer.  To do so would involve a large amount of work, in any case, if it is 
even possible to model this species using a standard MM force field.

-Justin

 Subarna
 
 
 Cricket on your mind? Visit the ultimate cricket website. Enter now! 
 http://in.rd.yahoo.com/tagline_cricket_1/*http://beta.cricket.yahoo..com
 
 
 
 
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-- 

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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Re: [gmx-users] problem with FeS cluster

2009-06-03 Thread Justin A. Lemkul



subarna thakur wrote:

Hi
I have gone through the material you have earlier mentioned but  I am 
still in dark and not sure where to start. Should I make chages in the 
relevent .rtp file to incorporate the atoms of the FE-S cluster?


If you derive your own parameters, you can either make an .rtp entry for the 
cluster, or simply generate an .itp file by hand.  Either way will work, but no 
matter what, it is not a trivial task to derive the appropriate parameters. 
Making and .rtp entry/.itp file is simple, proving the validity of your 
parameters is not.


-Justin


Subarna


*From:* Justin A. Lemkul jalem...@vt.edu
*To:* Discussion list for GROMACS users gmx-users@gromacs.org
*Sent:* Wednesday, 3 June, 2009 4:46:37 PM
*Subject:* Re: [gmx-users] problem with FeS cluster



subarna thakur wrote:
  Hello user
  Can anybody please tell me how to prepare a topology file for the 
FES4 cluster incorporated in a protein
  

I passed along some useful information to you yesterday.  There is no 
easy answer.  To do so would involve a large amount of work, in any 
case, if it is even possible to model this species using a standard MM 
force field.


-Justin

  Subarna
 
  
  Cricket on your mind? Visit the ultimate cricket website. Enter now! 
http://in.rd.yahoo.com/tagline_cricket_1/*http://beta.cricket.yahoo.com

 
 
  
 
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-- 

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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