[gmx-users] About martini

2012-03-09 Thread rama david
Dear GROMACS specialists, How to convert Coarse Grain Martini to FG martini on Gromacs 4.5.4 version . ( And how to compile the source given in Martini home page with 4.5.4 version as they mention only Gromacs 3.3.1 version) Please give the valuable advice.. -- gmx-users

Re: [gmx-users] About martini

2012-03-09 Thread francesca vitalini
Either you develop your own version of the mapping or I guess you have to use the old version...sorry, but I'm struggling with it right now and I understand that it can be quite problematic. Francesca 2012/3/9 rama david ramadavidgr...@gmail.com: Dear GROMACS specialists,   How to

Re: [gmx-users] About martini

2012-03-09 Thread XAvier Periole
Yes unfortunately the transformation is only inplemented in the version available on the martini page. On Mar 9, 2012, at 10:30, francesca vitalini francesca.vitalin...@gmail.com wrote: Either you develop your own version of the mapping or I guess you have to use the old version...sorry,

[gmx-users] about martini forcefield(MFF)

2009-03-28 Thread lammps lammps
Dear , I do MD simulation with Martini Force Field. There are about 2048 DPPCs in my system. But I don't know how many.water molecules should be added to system of (25 25 17)nm . Is it important that the ratio of water/DPPC for DPPC behavior? Can I add water arbitrarily, such as 7 or more?

Re: [gmx-users] about MARTINI forcefield

2009-03-15 Thread XAvier Periole
The first ting to do would be to read the later papers describing the philosophy of the force field. There you'll find clear examples of how small molecules can be parameterized. This goes in two main steps: i) geometrization: define the number of beads, bonds, angles, dihedrals to

[gmx-users] about MARTINI forcefield

2009-03-13 Thread lammps lammps
Hi MARTINI forcefield users, I am very interesting in using the MARTINI forcefield for simulating my molecules, But I am not very familiar with it. So I hope some kind people can help me about its application. I want to know if It is suitable for the molecules of attached figures. It have TWO