Re: [gmx-users] Workstation

2017-03-12 Thread Nikhil Maroli
Dear suneth, I prefer GTX 1070 over Tesla K20, higher performance and cheaper than TK20. You can increase processor core to 10 to 12 or 14 if you have sufficient budget Dual Intel Xeon Processor E5-2640 v4 (10C, 2.4GHz, 3.4GHz Turbo, 2133MHz, 25MB, 90W Intel C612 64GB (8x8GB) 2400MHz DDR4 RD

[gmx-users] Workstation

2017-03-12 Thread Suneth Rajapaksha
Dear all, I am thinking to buy a workstation to run gromacs. The workstation is with following specifications. I am not a hardware expert to select the best configuration to run gromacs more efficiently. Can someone help me to decide the below configuration is good for running gromacs? Processor :

Re: [gmx-users] CGenFF generated prm/itp overriding and messing with charmm36-nov2016.ff?

2017-03-12 Thread Jonathan Saboury
Thanks as always Justin! I'll be learning how to use CGenFF now then! - Jonathan On Sun, Mar 12, 2017 at 5:57 PM, Justin Lemkul wrote: > > > On 3/12/17 8:21 PM, Jonathan Saboury wrote: > >> Sorry for the delay, I didn't see this email. >> >> I don't believe it is a problem with gromacs, but a

Re: [gmx-users] pdb2gmx generates very large .top for lipids with charmm36-nov2016.ff

2017-03-12 Thread Justin Lemkul
On 3/12/17 8:36 PM, Jonathan Saboury wrote: Hello all, I generated a 3:1 POPE:POPG bilayer with charmm-gui, ran the minimization, equilibration, and production runs given. Then I copied the 10ns production run .gro to a different folder so that I can run it with charmm36-nov2016.ff instead of

Re: [gmx-users] CGenFF generated prm/itp overriding and messing with charmm36-nov2016.ff?

2017-03-12 Thread Justin Lemkul
On 3/12/17 8:21 PM, Jonathan Saboury wrote: Sorry for the delay, I didn't see this email. I don't believe it is a problem with gromacs, but a problem with cgenff_charmm2gmx.py from (from http://mackerell.umaryland.edu/download.php?filename=CHARMM_ff_params_files/cgenff_charmm2gmx.py ) cgenff_

[gmx-users] pdb2gmx generates very large .top for lipids with charmm36-nov2016.ff

2017-03-12 Thread Jonathan Saboury
Hello all, I generated a 3:1 POPE:POPG bilayer with charmm-gui, ran the minimization, equilibration, and production runs given. Then I copied the 10ns production run .gro to a different folder so that I can run it with charmm36-nov2016.ff instead of the ff given. When running the command "gmx_mpi

Re: [gmx-users] CGenFF generated prm/itp overriding and messing with charmm36-nov2016.ff?

2017-03-12 Thread Jonathan Saboury
Sorry for the delay, I didn't see this email. I don't believe it is a problem with gromacs, but a problem with cgenff_charmm2gmx.py from (from http://mackerell.umaryland.edu/download.php?filename=CHARMM_ff_params_files/cgenff_charmm2gmx.py ) cgenff_charmm2gmx.py wrote the .pdb atom names from col

[gmx-users] Fw: lincs warnin threshold

2017-03-12 Thread fatemeh ramezani
 Fatemeh Ramezani On Sunday, 12 March 2017, 20:16, fatemeh ramezani wrote: Hi I have a system of protein-gold-ions-water to simulate. The force field which I use, is Golp-charmm. In this force field two au atoms with mass 0.5 and charge 0.3 (AUC) rotates around the main au atoms (with

[gmx-users] lincs warnin threshold

2017-03-12 Thread fatemeh ramezani
Hi I have a system of protein-gold-ions-water to simulate. The force field which I use, is Golp-charmm. In this force field two au atoms with mass 0.5 and charge 0.3 (AUC) rotates around the main au atoms (with mass 196.967 and charge -0.3: AUS)that are freezed during the simulation. from the b