Re: [gmx-users] inquiring for solving trjconv problems

2013-01-19 Thread Justin Lemkul
On 1/19/13 5:21 PM, Mehdi Bagherpour wrote: hello everybody I have simulated DNA using CHARMM force field for 50 ns with 2 ps snapshots for each step. when I wanted to convert .xtc trajectory files to .pdb using trjconv, some of the snapshots were collaborated. I have used periodic boundary c

Re: [gmx-users] g_bundle: angle with x or y axis.

2013-01-19 Thread Justin Lemkul
On 1/19/13 4:57 PM, Mortuza Munna wrote: Thank you Justin and Rajat. It is a very helpful information for me indeed. It seems, I have to write an awk/sed/bash script to rotate each split frame, as I will have at least 3000 frames after splitting. Moreover, I have 30 simulations like this. Howev

[gmx-users] inquiring for solving trjconv problems

2013-01-19 Thread Mehdi Bagherpour
hello everybody I have simulated DNA using CHARMM force field for 50 ns with 2 ps snapshots for each step. when I wanted to convert .xtc trajectory files to .pdb using trjconv, some of the snapshots were collaborated. I have used periodic boundary conditions in this simulations. To convert, I use

Re: [gmx-users] g_bundle: angle with x or y axis.

2013-01-19 Thread Justin Lemkul
On 1/18/13 7:09 PM, Mortuza Munna wrote: Dear gromacs user, I have found that g_bundle can measure the angle between a group from index file and z-axis with the option -z. Is it possible to measure the angle of that group from index file with y-axis/x-axis? Any suggestion will be appreciable.

[gmx-users] another qm/mm interface (using ase)

2013-01-19 Thread Markus Kaukonen
Dear All, I made a qm/mm implementation using gromacs as mm part. Qm part can be in principle any qm method (now only FHI-aims implemented). There can be more than one QM regions. Documentation: https://wiki.fysik.dtu.dk/ase/ase/calculators/ase_qmmm_manyqm.html#module-ase_qmmm_manyqm terveisin,

Re: [gmx-users] au-protein simulation, water constraint_algorithm

2013-01-19 Thread Justin Lemkul
On 1/19/13 10:46 AM, fatemeh ramezani wrote: Dr. Justin In GOLP paper is written: Water molecules were kept rigid with the SETTLE algorithm, but in its commented md.mdp file is written define = ;GOLP has been tested with lincs only constraint = none constraint_algorithm =

[gmx-users] au-protein simulation, water constraint_algorithm

2013-01-19 Thread fatemeh ramezani
Dr. Justin In GOLP paper is written: Water molecules were kept rigid with the SETTLE algorithm, but in its commented md.mdp file is written define  =     ;GOLP has been tested with lincs only constraint =  none constraint_algorithm   = lincs according to manual, SETTLE can be s

[gmx-users] concatenate of .edr files

2013-01-19 Thread dina dusti
Dear Justin, Thank you very much from your help. Best Regards Dina - Original Message - From: Justin Lemkul To: dina dusti ; Discussion list for GROMACS users Cc: Sent: Saturday, January 19, 2013 3:16 PM Subject: Re: [gmx-users] concatenate of .edr files On 1/19/13 5:48 AM, din

Re: [gmx-users] g_bundle: angle with x or y axis.

2013-01-19 Thread rajat desikan
Why don't you try rotating your simulation box using editconf (.gro) or trjconv (.xtc) On Sat, Jan 19, 2013 at 5:39 AM, Mortuza Munna wrote: > Dear gromacs user, > I have found that g_bundle can measure the angle between a group from > index file and z-axis with the option -z. Is it possible to

[gmx-users] Re: au-protein separate minimization

2013-01-19 Thread Hamid Mosaddeghi
I have questions about your work: 1-I see previous your posts , do you have equlibrium structure of gold nanoparticle? 2- about nanoparticle, gold atoms at surface have difference behaviour of internal atom?? do you idea about it? 3- you include interation of "Au" only with "S" according to Gul

Re: [gmx-users] au-protein separate minimization

2013-01-19 Thread Justin Lemkul
On 1/19/13 7:11 AM, fatemeh ramezani wrote: Dr. Justin I want to do energy minimization of AU and Protein in separate steps and in last emails you said a way for this, is freezing of them. Then I decide to freeze AU and minimize Protein and in next step vise versa. I'm wrong? You can cert

[gmx-users] au-protein separate minimization

2013-01-19 Thread fatemeh ramezani
Dr. Justin I want to do energy minimization of AU and Protein in separate steps and in last emails you said a way for this, is freezing of them. Then I decide to freeze AU and minimize Protein and in next step vise versa. I'm wrong? Fatemeh Ramezani -- gmx-users mailing listgmx-users@groma

Re: [gmx-users] concatenate of .edr files

2013-01-19 Thread Justin Lemkul
On 1/19/13 5:48 AM, dina dusti wrote: Dear GROMACS Users, I have simulations with 120 ps and the file names are md.*, then I expended the time of simulation to 240 ps, with file names next as are follow: tpbconv -s md.tpr -extend 120 -o next.tpr mdrun -v -deffnm next -s next.tpr

[gmx-users] concatenate of .edr files

2013-01-19 Thread dina dusti
Dear GROMACS Users, I have simulations with 120 ps and the file names are md.*, then I expended the time of simulation to 240 ps, with file names next as are follow: tpbconv -s md.tpr -extend 120 -o next.tpr mdrun -v -deffnm next -s next.tpr -cpi md.cpt I use from trjcat to concaten

Re: [gmx-users] Re: meta-dynamics in gromacs-4.6

2013-01-19 Thread James Starlight
Dear Developers! Today in the download section on gromacs web I've found 2 new verions of gromacs ( 4.6 and 4.5.6) aviable for downloading. Does it final releases and in what they differs?Have both of them native GPU support ? James 2013/1/17 James Starlight : > Thank you! > > It's a good news

Re: [gmx-users] >60% slowdown with GPU / verlet and sd integrator

2013-01-19 Thread victor doss
The paper looks good. Do some more work and publish many Sent from my iPhone On 17-Jan-2013, at 8:18 PM, "James Starlight" wrote: Dear Gromacs Developers! Using sd1 integrator I've obtain good performance with the core-5 + GTX 670 ( 13ns\per day) for the system of 60k atoms. That results on