HEME is in the charmm27 force field.
bob h.


On 1/5/2012 12:00 PM, Dariush Mohammadyani wrote:
Yes, I have PDB file (1HRC.pdb). However, when I try to use "pdb2gmx" I get this error:

Residue 'HEM' not found in residue topology database

and HEM is Iron ion inside this protein. I do not know which forcefield is proper to use. I also tried MARTINI force field according their website; I used martinize.py script; Again I got error.

Regards,
Dariush




On Thu, Jan 5, 2012 at 11:51 AM, Justin A. Lemkul <jalem...@vt.edu <mailto:jalem...@vt.edu>> wrote:



    Dariush Mohammadyani wrote:


        Hi all,

        Has anybody made initial configuration for Cytochrom C? Can it
        be shared with me?


    There are several in the PDB.

    -Justin

-- ========================================

    Justin A. Lemkul
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