Anirban Ghosh wrote:
Thanks a lot Justin for the reply.
I have already seen that post. But the problem is that there is no clear answer in it. Hess says that there NO G43b1 force-field now in GROMACS and G43b1 was just a modified version of G43a1 but with no residue charges. So this means that there in no vacuum force-field in GROMACS now or can I use any of other 8 force-fields for this purpose? Please rectify if I am wrong and please tell me force-field number which has the same properties as G43b1. What are following two force-fiels used for:

6. [DEPRECATED] Gromacs force field (see manual)
8. Encad all-atom force field, using scaled-down vacuum charges


The "Gromacs force field" should not be used for anything (hence, "deprecated"). I am not terribly familiar with Encad, but I do not often see it in the literature.

Within the thread that I posted were several opinions on how you can continue. The other question to ask yourself is - what do others use in similar situations? Check the literature.

-Justin

There is no description in the GROMACS4 manual or the pdb2gmx man page. Please update the information.

Regards,

*Anirban Ghosh*
*Grade Based Engineer
Bioinformatics Team
Centre for Development of Advanced Computing (C-DAC)
Pune, India
*


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========================================

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

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