Re: [gmx-users] gold-S simulation

2012-12-19 Thread Justin Lemkul
On 12/19/12 6:02 AM, fatemeh ramezani wrote: Dear Justin I want exactly this, that the distance between Au-S be stable around equilibrium value, For this purpose,Should I put the harmonic parameters related to the gold and sulfur in ffbonded file? Or I should consider AU-S connection as V

Re: [gmx-users] gold-S simulation

2012-12-16 Thread Justin Lemkul
On 12/16/12 1:11 PM, francesco oteri wrote: Hi fatemeh, thank you for the references. Regarding your problem, what does it means you don't see any interaction? Is it possible it is just a problem of the visualization software. To be sure, you could monitor the distance between any S atom and th

Re: [gmx-users] gold-S simulation

2012-12-16 Thread francesco oteri
Hi fatemeh, thank you for the references. Regarding your problem, what does it means you don't see any interaction? Is it possible it is just a problem of the visualization software. To be sure, you could monitor the distance between any S atom and the Au atom to which it is supposed to be bound. I

Re: [gmx-users] gold-S simulation

2012-12-16 Thread fatemeh ramezani
hi thanks for your attention, all itp files are in OPLSAA forcefield folder that I attached it for you.   Fatemeh Ramezani -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at

Re: [gmx-users] gold-S simulation

2012-12-16 Thread fatemeh ramezani
Dear francesco I extract gold parameter from papers that I attached them for you. But  for gold and other atom parameters, you should calculate them using common combination rule. Fatemeh Ramezani -- gmx-users mailing listgmx-users@gromacs.org http://l

Re: [gmx-users] gold-S simulation

2012-12-15 Thread francesco oteri
Hi fatemeh, I am looking for prameters like yours, where have you took the parameters for gold and gold-aminoacid inteaction? Francesco 2012/12/16 Peter C. Lai > Where is the .itp file for the system? > > On 2012-12-15 01:40:27PM -0800, fatemeh ramezani wrote: > > hi > > > > > > I'm simulating

Re: [gmx-users] gold-S simulation

2012-12-15 Thread Peter C. Lai
Where is the .itp file for the system? On 2012-12-15 01:40:27PM -0800, fatemeh ramezani wrote: > hi > > > I'm simulating gold atom interaction with  aminoacidcys. I have made > gold-cys.pdb by hyperchem software: > > HETATM    1  N   CYS 1   0.000   1.335   0.000 > HETATM    2  CA  CY