RE: [gmx-users] Implement a modified pull module to mdrun

2013-08-12 Thread Li, Hualin
...@gromacs.org] On Behalf Of Justin Lemkul [jalem...@vt.edu] Sent: Monday, August 12, 2013 12:55 PM To: Discussion list for GROMACS users Subject: Re: [gmx-users] Implement a modified pull module to mdrun On 8/12/13 1:29 PM, Li, Hualin wrote: > Hi Justin, > > Thank you for your repl

RE: [gmx-users] Implement a modified pull module to mdrun

2013-08-12 Thread Li, Hualin
Hi Justin, Thank you for your reply. I also suspect that they may use like " change pull source code -->recomplie GROMACS -->run modified mdrun ". Do you know where the source code of the pull code is located please? Thanks, --H L From: gmx-users-bo

[gmx-users] Implement a modified pull module to mdrun

2013-08-12 Thread Li, Hualin
Hi all, I found one paper talking about they "implement a wall potential in the pull module of the mdrun program". Does anybody know how they do it please? Is it the similar method introduced in "User-specified potential functions" by using following in mdp: rilst = 1.0 coulombtype =user

[gmx-users] Restrain lipid in a bilayer

2013-08-07 Thread Li, Hualin
Dear all, I am simulating a system with a mix-lipid membrane, say lipid A (10%, in the upper layer only) and lipid B (90%, in both upper and lower layer). I want to restrain the lipid A in a certain area in the upper leaflet (It is still moving, but can not escape from a circle). Is there

RE: [gmx-users] PSF file in martini force field

2012-01-23 Thread Li, Hualin
-users-boun...@gromacs.org [gmx-users-boun...@gromacs.org] On Behalf Of Mark Abraham [mark.abra...@anu.edu.au] Sent: Monday, January 23, 2012 3:22 PM To: Discussion list for GROMACS users Subject: Re: [gmx-users] PSF file in martini force field On 24/01/2012 4:20 AM, Li, Hualin wrote: > Hi

[gmx-users] PSF file in martini force field

2012-01-23 Thread Li, Hualin
Hi all, I am running Gromacs on the system of several proteins on the membrane using martini force field.From the output files, if I want to generate the PSF files from them , is there any easy way to do it please? Thanks in advance. Regards, Hualin-- gmx-users mailing listgmx-users

[gmx-users] PSF file in martini force field

2012-01-23 Thread Li, Hualin
Hi all, I am running Gromacs on the system of several proteins on the membrane using martini force field.From the output files, if I want to generate the PSF files from them , is there any easy way to do it please? Thanks in advance. Regards, Hualin-- gmx-users mailing listgmx-users

RE: RE: [gmx-users] Martini force field: elastic network

2011-10-14 Thread Li, Hualin
for GROMACS users Subject: Re: RE: [gmx-users] Martini force field: elastic network Hi Hualin, The elastic network should work; the help should be updated... Note that only the 'elnedyn' method has really been tested. Cheers, Tsjerk On Oct 14, 2011 7:11 PM, "Li, Hualin&

RE: [gmx-users] Martini force field: elastic network

2011-10-14 Thread Li, Hualin
onday in Lausanne. The manner of the construction you describe in your email is not the proper way to do it! The new script is doing it properly. If you want the old script to only generate the elastic network (as it seems from your email) you may have it or use the scripts from the ElNeDyn ap

[gmx-users] Martini force field: elastic network

2011-10-14 Thread Li, Hualin
Dear all, I am using martini force field to generate elastic network for my protein. I generate a list of distance between all beads within a certain distance by: genrestr -f ***.gro -n index.ndx -constr -o constraints getting the constraints.itp file and will continue

[gmx-users] RE: gromacs installation

2011-10-11 Thread Li, Hualin
Oh, I did installation on supercomputer before. Because you are not root user, in the step "./configure", maybe you should use "./configure --prefix=/home/yourname/..." to change the default installation directory. Just my two cents. Hope it helps. --hualin _

[gmx-users] Reduce the frequency to apply distance restrain

2011-10-10 Thread Li, Hualin
Dear GMX users, I am using pull code to make a distance restrain to my proteins and membrane,which looks like this: pull = umbrella pull_geometry= cylinder pull_vec1 = 0 0 1 pull_r1 = 2.5 pull_r0 = 2.5 pull_dim = N

[gmx-users] Center of mass: distance restrain for groups

2011-10-10 Thread Li, Hualin
Dear GMX users, I am using pull code to make a distance restrain to my proteins and membrane,which looks like this: pull = umbrella pull_geometry= cylinder pull_vec1 = 0 0 1 pull_r1 = 2.5 pull_r0 = 2.5 pull_dim =

RE: [gmx-users] Center of mass: distance restrain for groups

2011-10-10 Thread Li, Hualin
Dear GMX users, I am using pull code to make a distance restrain to my proteins and membrane,which looks like this: pull = umbrella pull_geometry= cylinder pull_vec1 = 0 0 1 pull_r1 = 2.5 pull_r0 = 2.5 pull_dim =

RE: [gmx-users] Center of mass: distance restrain for groups

2011-09-27 Thread Li, Hualin
] Center of mass: distance restrain for groups Li, Hualin wrote: > Hi, Justin, > > Thank you very much for your reply. I use the following pull code in my > mdp file: > " > pull = umbrella > pull_geometry= distance > pull_dim

RE: [gmx-users] Center of mass: distance restrain for groups

2011-09-27 Thread Li, Hualin
[gmx-users-boun...@gromacs.org] On Behalf Of Justin A. Lemkul [jalem...@vt.edu] Sent: Monday, September 26, 2011 1:32 PM To: Discussion list for GROMACS users Subject: Re: [gmx-users] Center of mass: distance restrain for groups Justin A. Lemkul wrote: > > > Li, Hualin wrote: >> I a

RE: [gmx-users] Center of mass: distance restrain for groups

2011-09-26 Thread Li, Hualin
ce restrain for groups Li, Hualin wrote: > Dear GMX users, > >How are you doing? I have a question about using distance restrain in > GROMACS, have you ever use the distance restrain to between the protein and > the center of mass of membrane. In gromacs, I can not find the opt

RE: [gmx-users] Center of mass: distance restrain for groups

2011-09-26 Thread Li, Hualin
ase? Thanks, Hualin From: gmx-users-boun...@gromacs.org [gmx-users-boun...@gromacs.org] On Behalf Of Justin A. Lemkul [jalem...@vt.edu] Sent: Monday, September 26, 2011 12:05 PM To: Discussion list for GROMACS users Subject: Re: [gmx-users] Center of mass: distance restrain for groups Li, Hual

[gmx-users] Center of mass: distance restrain for groups

2011-09-26 Thread Li, Hualin
Dear GMX users, How are you doing? I have a question about using distance restrain in GROMACS, have you ever use the distance restrain to between the protein and the center of mass of membrane. In gromacs, I can not find the option to choose the center of mass of specific groups like membra