On 23/01/2012 6:49 PM, Anushree Tripathi wrote:
I have created one file named it as "forcefield.doc" and paste the contents of "forcefield.itp" into it and also include "lipid.itp file.The content of my "forcefield.doc" file is given below:

#define _FF_GROMOS96
#define _FF_GROMOS53A6

[ defaults ]
; nbfunc    comb-rule    gen-pairs    fudgeLJ    fudgeQQ
  1        1        no        1.0    1.0

#include "ffnonbonded.itp"
#include "ffbonded.itp"
#include "lipid.itp"

Let me know whether it is correct or not.

No, it isn't.

Mark


On Mon, Jan 23, 2012 at 12:17 PM, Mark Abraham <[email protected] <mailto:[email protected]>> wrote:

    On 23/01/2012 5:13 PM, Anushree Tripathi wrote:
    /I am using gromacs 4.5.3 version and I am trying to follow the tutorials. 
For
    //  starting I am following the *KALP15 in DPPC*
    //  
tutorial(http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin/gmx-tutorials/membrane_protein/02_topology.html).


    /I am not getting the point that is given below :
    Next, create a|forcefield.doc|  file that contains a description of the 
force field parameters in it.  Mine contains something like:


    GROMOS 53A6 forcefield , extended to include Berger force field parameter.

    Please guide me for creating forcefield.doc.


    Have a look at the contents of this file in the pre-supplied force
    fields. Then look at the normal output of pdb2gmx. The former is
    used in the latter to help you pick the force field you want to use.

    Mark

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