Quoting Mufaddal Soni <[EMAIL PROTECTED]>:
> Dear users,
> I am working with PTP1B protein. Recently I tried to run it
> in gromacs along with an inhibitor
> {[7-(DIFLUORO-PHOSPHONO-METHYL)-NAPHTHALEN- 2-YL]-DIFLUORO-METHYL}-PHOSPHONIC
> ACID [FNP in short]. The problem is that gromacs does not recognize FNP
> and hence I am not able to generate a topology file of it using pdb2gmx. I
> tried using the The Dundee PRODRG server to generate the topology file with
> the pdb file as the input. The problem is that it does generate the topology
> file but without any hydrogens. Even the polar hydrogens information is not
> available inspite of it being a part of my input pdb file. Thus I am not able
> to use FNP with the polar hydrogens for my runs.
>
> If anyone has faced similar problems please do help if you can.
I know that PRODRG (which I believe uses the old ffgmx) does not add aromatic
hydrogens to molecules, but the PRODRG beta site (which uses GROMOS96) does.
You may want to try the beta server, since ffgmx is deprecated (as noted in the
manual).
-Justin
>
> Thanking you,
> Cheers.
>
> Soni Mufaddal Saifee,
> B.Tech IIT Madras.
>
>
> ---------------------------------
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> now.
========================================
Justin A. Lemkul
Graduate Research Assistant
Department of Biochemistry
Virginia Tech
Blacksburg, VA
[EMAIL PROTECTED] | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin/
========================================
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