Re: [gmx-users] structure alignement :g_rmsdist

2013-06-03 Thread Nawel Mele
Wassenaar tsje...@gmail.com Hi Nawel, g_rmsdist calculates the RMSD of distances, and distances are invariant to translation and rotation. Cheers, Tsjerk On Sun, Jun 2, 2013 at 1:45 PM, Nawel Mele nawel.m...@gmail.com wrote: Hi, THanks for your answers. I already seen the help

Re: [gmx-users] structure alignement :g_rmsdist

2013-06-03 Thread Nawel Mele
provided with the option -s. Cheers, Tsjerk On Mon, Jun 3, 2013 at 12:39 PM, Nawel Mele nawel.m...@gmail.com wrote: Hi, THanks for your answers. Just for be sure, with g_rmsdit the reference structure correspond to the frame at time 0?? Because in the manual the rmsd equation show

[gmx-users] structure alignement :g_rmsdist

2013-06-02 Thread Nawel Mele
Hello everyone. During the calculation of the rms with g_rmsdist command , the reference and the current structure are aligned before calculating?? Regards, -- *Mlle* Mele Nawel Master 2 In Silico Drug Design University of Paris Diderot/Strasbourg -- gmx-users mailing list

Re: [gmx-users] structure alignement :g_rmsdist

2013-06-02 Thread Nawel Mele
On Sun, Jun 2, 2013 at 12:29 PM, Nawel Mele nawel.m...@gmail.com wrote: Hello everyone. During the calculation of the rms with g_rmsdist command , the reference and the current structure are aligned before calculating?? Regards, -- *Mlle* Mele Nawel Master 2 In Silico Drug

[gmx-users] umbrella sampling

2013-05-13 Thread Nawel Mele
HI, I would like to compute an umbrella sampling simulation for o protein divided in two domain, with Center of mass pulling using as constraint between the two domains. And the constraint is applied instead of a harmonic potential I create a pull.mdp file with this option for the pull: title

Re: [gmx-users] Difference between g_rms and g_rmsdist

2013-05-13 Thread Nawel Mele
Thanks a lot for your answer. 2013/5/10 Justin Lemkul jalem...@vt.edu On 5/10/13 4:24 AM, Nawel Mele wrote: Hi, I am trying to understand what is the difference between g_rms and g_rmsdist commands. I have looked at the manual and all I can find is that: *g_rms*: The root mean square

[gmx-users] air-water-interface

2013-05-13 Thread Nawel Mele
Hi all, I am performing a simulation of protein at air/water interface. For create an air-water interface I just expand the box in the z direction. So,aAfter minimization we can noticed that water molecules moved out of bulk water in the z direction. Why you just need to expand the z-axis for

Re: [gmx-users] air-water-interface

2013-05-13 Thread Nawel Mele
, Nawel Mele wrote: Hi all, I am performing a simulation of protein at air/water interface. For create an air-water interface I just expand the box in the z direction. So,aAfter minimization we can noticed that water molecules moved out of bulk water in the z direction. Why you just need

Re: [gmx-users] air-water-interface

2013-05-13 Thread Nawel Mele
...@vt.edu On 5/13/13 8:01 AM, Nawel Mele wrote: So we just compute an interface vacuum-water like the picture in attach in increase the coordinate value of the z-axis of the box? The list does not accept attachments. If you want to post an image or file, provide a public link to access

[gmx-users] Difference between g_rms and g_rmsdist

2013-05-10 Thread Nawel Mele
Hi, I am trying to understand what is the difference between g_rms and g_rmsdist commands. I have looked at the manual and all I can find is that: *g_rms*: The root mean square deviation (RM SD) of certain atoms in a molecule with respect to a reference structure can be calculated with the