Re: [gmx-users] Regarding umbrella samplling

2014-11-25 Thread Justin Lemkul
On 11/25/14 1:23 AM, Sathish Kumar wrote: Hai gromacs users, Can we use the direction-periodic mdp option while running the samplling of windows instead of distance. The distance option was giving error that Distance of pull group 1 (15.017257 nm) is larger than

[gmx-users] Regarding umbrella samplling

2014-11-24 Thread Sathish Kumar
Hai gromacs users, Can we use the direction-periodic mdp option while running the samplling of windows instead of distance. The distance option was giving error that Distance of pull group 1 (15.017257 nm) is larger than 0.49 times the box size (15.033495) . So, for

Re: [gmx-users] Regarding umbrella samplling

2014-10-30 Thread Justin Lemkul
On 10/30/14 1:19 AM, Sathish Kumar wrote: Dear gromacs-users, I have run the umbrella sampling with the help of tutorial of justin. In my system rna is binding with gold nanoparticle. To find out the binding energy, i run the umbrella sampling using the space 0.1 nm

[gmx-users] Regarding umbrella samplling

2014-10-29 Thread Sathish Kumar
Dear gromacs-users, I have run the umbrella sampling with the help of tutorial of justin. In my system rna is binding with gold nanoparticle. To find out the binding energy, i run the umbrella sampling using the space 0.1 nm and i got total 79 configurations, each

Re: [gmx-users] Regarding umbrella samplling

2014-10-13 Thread Johnny Lu
Hi. Does that mean the umbrella don't overlap enough at those z ? Can you make an overlay plot of the histograms of each umbrella? On Mon, Oct 13, 2014 at 1:54 AM, Sathish Kumar sathishk...@gmail.com wrote: Dear gromacs usres, I have run the umbrella sampling with the help of tutorial of

Re: [gmx-users] Regarding umbrella samplling

2014-10-13 Thread Dr. Vitaly Chaban
Yes, it means what you say. I would decrease the number of bins. Dr. Vitaly V. Chaban Виталий Витальевич ЧАБАН On Mon, Oct 13, 2014 at 12:47 PM, Johnny Lu johnny.lu...@gmail.com wrote: Hi. Does that mean the umbrella don't overlap enough at those z ? Can you make an overlay plot of the

Re: [gmx-users] Regarding umbrella samplling

2014-10-13 Thread Sathish Kumar
Hai Yes, I have ploted the histogram, all windows are merged..please check this histo.jpg file attached to the below link. https://www.dropbox.com/s/ndl0w250dnawmib/histogram.jpg?dl=0 On Mon, Oct 13, 2014 at 3:47 AM, Johnny Lu johnny.lu...@gmail.com wrote: Hi. Does that mean the

Re: [gmx-users] Regarding umbrella samplling

2014-10-13 Thread Sathish Kumar
I am not able to find wheather the windows are overlaped or not. Please help me in this. Thanks. On Mon, Oct 13, 2014 at 10:05 AM, Sathish Kumar sathishk...@gmail.com wrote: Hai Yes, I have ploted the histogram, all windows are merged..please check this histo.jpg file attached to the

Re: [gmx-users] Regarding umbrella samplling

2014-10-13 Thread Justin Lemkul
On 10/13/14 1:08 PM, Sathish Kumar wrote: I am not able to find wheather the windows are overlaped or not. Please help me in this. You've got a gap in the sampling exactly where g_wham tells you. The histograms show this. You either need more windows or a different force constant, or

Re: [gmx-users] Regarding umbrella samplling

2014-10-13 Thread Sathish Kumar
Hai I have decreased the number of bins=50 and i have not get the previously mentioned warnings. Still, the profile.xvg is looking like below 2.148184e+000.00e+00 2.300988e+000.00e+00 2.453792e+000.00e+00 2.606596e+000.00e+00 2.759400e+000.00e+00

[gmx-users] Regarding umbrella samplling

2014-10-12 Thread Sathish Kumar
Dear gromacs usres, I have run the umbrella sampling with the help of tutorial of justin. In my system rna is binding with gold nanoparticle. To find out the binding energy, i run the umbrella sampling using the space 0.1 nm and i got total 79 configurations, each configuration was run for 5 ns.

Re: [gmx-users] Regarding Umbrella samplling

2014-09-29 Thread Justin Lemkul
On 9/29/14 10:09 AM, Sathish Kumar wrote: Dear gromacs usres, I have run the umbrella sampling with the help of tutorial of justinIn my system rna is binding with gold nanoparticle...to find out the binding energy i run the umbrella sampling using the space 0.2 nm and i got total 59