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 <[email protected]>
*To:* Discussion list for GROMACS users <[email protected]>
*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
 >
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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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