Re: Re: [gmx-users] Melittin in methanol...

2009-02-01 Thread sharada
Thanks for the reply. I am sorry about the typo mistake, it is 45a3 forcefield that I am working with & that I choose by giving the option 3 in pdb2gmx. So with PME the epsilon_r value has to be mentioned ?.Are the different forcefields 43a1,45a3 etc have to be used with different sets of rv

Re: Re: [gmx-users] Melittin in methanol...

2009-01-31 Thread sharada
Hello Justin, Thanks for the reply . I apologise for the repeat mail. The parameters are for ffG43a3 forcefield. Yes I am using the default electrotatics cutoff values as an initial run. I would change to PME method as you say. However I was wondering If r_epsilon value equals to 66 contributes

Re: Re: [gmx-users] Melittin in Methanol.......

2009-01-29 Thread sharada
Hi, Thankyou for the prompt response. I am using the methanol box provided along with gromacs software This is the itp file I am using ... usr/local/gromacs/share/gromacs/top$ more methanol.itp #ifndef _FF_GROMOS96 [ atomtypes ] ; type masschargeptype c6c12 OM