[gmx-users] Calculate potential as function of time

2019-01-20 Thread Rituraj Purohit
Hi Friends, How to get a "graph of potential as function of time" ?? Currently I am using gmx potential script to generate potential.xvg but it is showing potential as function of boxlength. reg Rituraj -- Gromacs Users mailing list * Please search the archive at

Re: [gmx-users] Water molecule in the first hydration shell

2019-01-20 Thread ISHRAT JAHAN
Thank you Mark sir. On Mon, Jan 21, 2019, 8:27 AM Mark Abraham Hi, > > I suggest you don't ask for "within 0.5 of com of protein" if what you want > is e.g. "within 0.5 of protein" > > Mark > > On Mon, Jan 21, 2019 at 3:51 AM ISHRAT JAHAN wrote: > > > Thanks for the reply Justin sir.Please tell

Re: [gmx-users] Water molecule in the first hydration shell

2019-01-20 Thread ISHRAT JAHAN
I have calculated it and from there i got the forst hydration layer. On Mon, Jan 21, 2019, 8:29 AM Bratin Kumar Das <177cy500.bra...@nitk.edu.in wrote: > Calculate the rdf first > > On Mon 21 Jan, 2019, 8:22 AM ISHRAT JAHAN > > Thanks for the reply Justin sir.Please tell me the right command as

Re: [gmx-users] Water molecule in the first hydration shell

2019-01-20 Thread Bratin Kumar Das
Calculate the rdf first On Mon 21 Jan, 2019, 8:22 AM ISHRAT JAHAN Thanks for the reply Justin sir.Please tell me the right command as i have > to calculate it from the surface of protein. > > On Mon, Jan 21, 2019, 1:39 AM Justin Lemkul > > > > > > On 1/20/19 1:01 AM, ISHRAT JAHAN wrote: > > >

Re: [gmx-users] Water molecule in the first hydration shell

2019-01-20 Thread Mark Abraham
Hi, I suggest you don't ask for "within 0.5 of com of protein" if what you want is e.g. "within 0.5 of protein" Mark On Mon, Jan 21, 2019 at 3:51 AM ISHRAT JAHAN wrote: > Thanks for the reply Justin sir.Please tell me the right command as i have > to calculate it from the surface of protein.

Re: [gmx-users] Water molecule in the first hydration shell

2019-01-20 Thread ISHRAT JAHAN
Thanks for the reply Justin sir.Please tell me the right command as i have to calculate it from the surface of protein. On Mon, Jan 21, 2019, 1:39 AM Justin Lemkul > > On 1/20/19 1:01 AM, ISHRAT JAHAN wrote: > > Dear all, > > I want to calculate the number of water molecule within 5 A of protein

Re: [gmx-users] [gmx-developers] CHARMM26.FF

2019-01-20 Thread Justin Lemkul
On 1/20/19 7:48 PM, Lianxin Xin wrote: Hi, everyone, I am running a GROMACS (V5.1.2) simulation of GOLD interacting with protein. I am looking for CHARMM26 force field, can anyone send me the link to download the force field? This is not a question related to GROMACS development, so

Re: [gmx-users] why .top file is not updated with added waters in "gmx solvate" if customised water.gro is provided?

2019-01-20 Thread Kevin Boyd
Hi, The hard-coded SOL reference that Justin mentioned has been fixed in Gromacs 2018.3 and 2019. If you upgrade your gromacs version, gmx solvate should work as intended. Kevin > On Jan 20, 2019, at 3:11 PM, Justin Lemkul wrote: > > > >> On 1/20/19 3:04 PM, ZHANG Cheng wrote: >> In the

Re: [gmx-users] npt equlibration without position restrain

2019-01-20 Thread Mark Abraham
Hi, They're inactive so whether they have any value or are present does not matter. Mark On Sun., 20 Jan. 2019, 10:34 Olga Press, wrote: > Dr. Mark Abraham, thank you so much for your help. > That meaning that in the NPT equilibration without position restrains > the refcoord_scaling should

Re: [gmx-users] why .top file is not updated with added waters in "gmx solvate" if customised water.gro is provided?

2019-01-20 Thread Justin Lemkul
On 1/20/19 3:04 PM, ZHANG Cheng wrote: In the command gmx solvate -cp 128_minimized.gro -cs water.gro -o waterbox.gro -maxsol 768 -radius 0.21 -p dppc.top 768 waters are added, resulting in the "waterbox.gro". However, the "dppc.top" is not updated for its "[ molecules ]" section. I

Re: [gmx-users] Using windows to run gromacs

2019-01-20 Thread Justin Lemkul
On 1/20/19 8:56 AM, Quin K wrote: I can dual boot windows and Ubuntu on my computer but since I'm doing docking with AutoDock I'm using windows. AutoDock can be installed easily on Linux. What is your opinion should I use Ubuntu or Windows 10 for Gromacs MD simulations? Will I face

Re: [gmx-users] Water molecule in the first hydration shell

2019-01-20 Thread Justin Lemkul
On 1/20/19 1:01 AM, ISHRAT JAHAN wrote: Dear all, I want to calculate the number of water molecule within 5 A of protein throughout the trajectory. I have calculated it using the command- gmx select -n water.ndx -select 'group "water" and within 0.5 of com of group "Protein" -os out.xvg

Re: [gmx-users] RMSD plots protein-protein complex

2019-01-20 Thread Justin Lemkul
On 1/18/19 11:55 AM, marzieh gharouni wrote: Hello I did a simulation of protein-protein interaction with Gromacs code. In this simulation, the number of amino acids in each protein is about 230. The simulation production run was 300ns. After analyzing trajectory, I found that RMSD value of

[gmx-users] why .top file is not updated with added waters in "gmx solvate" if customised water.gro is provided?

2019-01-20 Thread ZHANG Cheng
In the command gmx solvate -cp 128_minimized.gro -cs water.gro -o waterbox.gro -maxsol 768 -radius 0.21 -p dppc.top 768 waters are added, resulting in the "waterbox.gro". However, the "dppc.top" is not updated for its "[ molecules ]" section. I can of course manually add that. But why it

Re: [gmx-users] Using windows to run gromacs

2019-01-20 Thread Quin K
I can dual boot windows and Ubuntu on my computer but since I'm doing docking with AutoDock I'm using windows. What is your opinion should I use Ubuntu or Windows 10 for Gromacs MD simulations? Will I face trouble if I use Windows 10 for Gromacs MD simulation. On Sun, Jan 20, 2019 at 2:38 PM Mark

Re: [gmx-users] npt equlibration without position restrain

2019-01-20 Thread Olga Press
Dr. Mark Abraham, thank you so much for your help. That meaning that in the NPT equilibration without position restrains the refcoord_scaling should not be present at all in the mdp file*?* Thank you in advance. Olga ‫בתאריך יום א׳, 20 בינו׳ 2019 ב-11:06 מאת ‪Mark Abraham‬‏ <‪

Re: [gmx-users] different nvidia-smi/gmx GPU_IDs

2019-01-20 Thread Mark Abraham
Hi, No, at run time. Mark On Fri., 18 Jan. 2019, 20:06 paul buscemi, wrote: > Szilard, > > Is the environmental variable set at build ? > > thanks > Paul > > > On Jan 18, 2019, at 12:36 PM, Szilárd Páll > wrote: > > > > Hi, > > > > The CUDA runtime tries (and AFAIK has always tried) to be

Re: [gmx-users] Using windows to run gromacs

2019-01-20 Thread Mark Abraham
Hi, There's some support for Windows and it works pretty well. Installation is covered in the installation guide, but it can be a bit trickier than on Linux. Mark On Sun., 20 Jan. 2019, 06:19 Quin K, wrote: > I hope to use windows 10 to run gromacs md simulation. Will i face any > trouble

Re: [gmx-users] npt equlibration without position restrain

2019-01-20 Thread Mark Abraham
Hi, If you're not using position restraints then options that affect how they work are inactive. Mark On Sun., 20 Jan. 2019, 09:46 Olga Press, wrote: > Dear gromacs users, > > I perform membrane-protein simulation and used the same mdp files as > suggested by the tutorial of Dr. Justin

[gmx-users] npt equlibration without position restrain

2019-01-20 Thread Olga Press
Dear gromacs users, I perform membrane-protein simulation and used the same mdp files as suggested by the tutorial of Dr. Justin Lemkul with one exception of changing the correct parameters for charmm36ff as suggested by gromacs manual. I performed 10ns of *NVT equilibration with position