Re: [gmx-users] replica exchange output information

2008-01-08 Thread David van der Spoel
David Mobley wrote: I have further replica exchange questions... The order is that from low temperature to high temperature (as you could check from the edr files) and when swaps happen the coordinates and boxes are exchanged between CPUs. OK. In other words the replicas are always ordered by

Re: [gmx-users] shell model

2008-01-08 Thread David van der Spoel
abhishek sharma wrote: sir, i want to introduce a shell model in ZnS particles and have the potential data. I gone through your Novel Shell Model for the water molecule givem in the /share/top as sw.itp. could you please help me out how I can introduce all these potentials in my model

Re: [gmx-users] replica exchange output information

2008-01-08 Thread Berk Hess
From: "David Mobley" <[EMAIL PROTECTED]> Reply-To: Discussion list for GROMACS users To: "Discussion list for GROMACS users" Subject: Re: [gmx-users] replica exchange output information Date: Mon, 7 Jan 2008 10:40:44 -0800 David, > The order is that from low temperature to high temperature

Re: [gmx-users] replica exchange output information

2008-01-08 Thread Mark Abraham
David van der Spoel wrote: David Mobley wrote: It would be nice to have this sort of information (i.e. that demux.pl exists, and what it does) in the documentation or on the REMD page of the wiki. I've tried to write a bit about it: http://wiki.gromacs.org/index.php/REMD#Post-processing Than

Re: [gmx-users] Mn parameters

2008-01-08 Thread andrea spitaleri
Hi all, sorry for the previous wrong links (Thanks to Mark): http://www.gromacs.org/pipermail/gmx-users/2002-April/001333.html http://www.gromacs.org/pipermail/gmx-users/2002-March/001000.html http://www.gromacs.org/pipermail/gmx-users/2006-July/022999.html Regards, andrea andrea spitaleri w

[gmx-users] demux.pl

2008-01-08 Thread xi zhao
Dear all Gromacs users: I want to obtain demux.pl for analysis REMD, but I do not know how to get it, please help me! Thank you very much! - 雅虎邮箱传递新年祝福,个性贺卡送亲朋! ___ gmx-users mailing listgmx-users@groma

Re: [gmx-users] demux.pl

2008-01-08 Thread Mark Abraham
xi zhao wrote: > Dear all Gromacs users: > I want to obtain demux.pl for analysis REMD, but I do not know how to > get it, please help me! > Thank you very much! As David van der Spoel said here just today http://www.gromacs.org/pipermail/gmx-users/2008-January/031570.html, and as is noted on th

Re: [gmx-users] Drug-Enzyme Tutorial

2008-01-08 Thread Tsjerk Wassenaar
Hi Swapna, The PRODRG server generates topologies for the gmx force field (ffgmx; deprecated!). You most likely want to have a topology compliant with the Gromos96 force fields (e.g. ffG43a2). For this you need to use the beta version of the PRODRG server. Mind you that force field parameterizati

[gmx-users] Drug-Enzyme Tutorial

2008-01-08 Thread SWAPNA
Hi, I am doing the Kerrigan Drug-enzyme tutorial. I could generate the drg.itp, drg.gro files using PRODRG server. When I use the grompp step before the energy minimization I encounter a problem A fatal error was shown: atom types CB, CR61 and OS were not found. --

Re: [gmx-users] Drug-Enzyme Tutorial

2008-01-08 Thread Justin A. Lemkul
Quoting SWAPNA <[EMAIL PROTECTED]>: > Hi, > I am doing the Kerrigan Drug-enzyme tutorial. > I could generate the drg.itp, drg.gro files using PRODRG server. > When I use the grompp step before the energy minimization I encounter a > problem > > A fatal error was sh

Re: [gmx-users] How can I add ffG43a1p force field to gromacs software?

2008-01-08 Thread Tsjerk Wassenaar
Hi Mitra, You can add it in the file FF.dat in the $GMXDIR/share/gromacs/top/ directory. Cheers, Tsjerk On Jan 8, 2008 3:35 PM, Mitra Kheirabadi <[EMAIL PROTECTED]> wrote: > Dear Dr. Smith > > I want to run a virus phosphorylated protein by gromacs. Furtunatly, you > construct related force fi

[gmx-users] How can I add ffG43a1p force field to gromacs software?

2008-01-08 Thread Mitra Kheirabadi
Dear Dr. Smith I want to run a virus phosphorylated protein by gromacs. Furtunatly, you construct related force field by ffG43A1p name. I copied this force field to top. file gromacs but when I constructed pdbgmx, there is no any ffG43a1p to select. Could you help me? I be so grateful t

[gmx-users] Re: Different system volumes from gromacs versions 3.2.1 and 3.3.1

2008-01-08 Thread Perttu Niemela
Hi All, In December here was a short discussion about a water system, for which gromacs versions 3.2.1 and 3.3.1 produced different average volumes. I have experienced similar thing with Marrink's coarse grained water (about 1500 beads in the box), but to opposite direction. My test runs wit

Re: [gmx-users] How can I add ffG43a1p force field to gromacs software?

2008-01-08 Thread Xavier Periole
On Tue, 8 Jan 2008 06:35:28 -0800 (PST) Mitra Kheirabadi <[EMAIL PROTECTED]> wrote: Dear Dr. Smith I want to run a virus phosphorylated protein by gromacs. Furtunatly, you construct related force field by ffG43A1p name. I copied this force field to top. file gromacs but when I constructed

Re: [gmx-users] How can I add ffG43a1p force field to gromacs software?

2008-01-08 Thread Mitra Kheirabadi
Dear Periola I appreciate your kindly help. Respectfully Xavier Periole <[EMAIL PROTECTED]> wrote: On Tue, 8 Jan 2008 06:35:28 -0800 (PST) Mitra Kheirabadi wrote: > Dear Dr. Smith > > I want to run a virus phosphorylated protein by gromacs. Furtunatly, you >construct related force

Re: [gmx-users] Re: Different system volumes from gromacs versions 3.2.1 and 3.3.1

2008-01-08 Thread Xavier Periole
On Tue, 8 Jan 2008 15:39:51 +0200 (EET) Perttu Niemela <[EMAIL PROTECTED]> wrote: Hi All, In December here was a short discussion about a water system, for which gromacs versions 3.2.1 and 3.3.1 produced different average volumes. I have experienced similar thing with Marrink's coarse grained

Re: [gmx-users] How can I add ffG43a1p force field to gromacs software?

2008-01-08 Thread Mitra Kheirabadi
Dear Wassenaar I appreciate your kindly help. Respectffuly Tsjerk Wassenaar <[EMAIL PROTECTED]> wrote: Hi Mitra, You can add it in the file FF.dat in the $GMXDIR/share/gromacs/top/ directory. Cheers, Tsjerk On Jan 8, 2008 3:35 PM, Mitra Kheirabadi < [EMAIL PROTECTED]> wrote:

[gmx-users] do_dssp file format

2008-01-08 Thread ABEL Stephane 175950
Hi gromacs users For my work I have performed some simulations of a protein in water with an other MD software not compatible with GROMACS. And I would like to compute the time evolution of the secondary structure of my protein, I know that the do_dssp tool in GROMACS is made for this. This too

Re: [gmx-users] How can I add ffG43a1p force field to gromacs software?

2008-01-08 Thread Mitra Kheirabadi
Dear Dr.Periole I add ffG43a1p to FF.dat/ top and changed 11 to 12 on this file but sorry again I did not appear. please help me. Respectfully Mitra Kheirabadi <[EMAIL PROTECTED]> wrote: Dear Periola I appreciate your kindly help. Respectfully Xavier Periole <[EMAIL P

[gmx-users] g_density

2008-01-08 Thread Antonia Vyrkou
Dear all, When using the g_density tool am I calculating the density of a group of molecules in respect to the atoms or to the center of mass of these molecules? Thank you for your help Antonia __ Sent from Yahoo! Mail - a smarter

[gmx-users] how to run MD of a new molecule using OPLS

2008-01-08 Thread Egidijus Kuprusevicius
Hi, Could anyone tell me how to parameterize a new molecule for using it with OPLS (basic principles). What a .pdb file should look like and what .mdp variables are specificaly related to OPLS? Thank you in advance Egidijus - Never miss a thi

Re: [gmx-users] g_density

2008-01-08 Thread Alan Dodd
Atoms. - Original Message From: Antonia Vyrkou <[EMAIL PROTECTED]> To: gmx-users@gromacs.org Sent: Tuesday, January 8, 2008 4:05:26 PM Subject: [gmx-users] g_density Dear all, When using the g_density tool am I calculating the density of a group of molecules in respect to the atoms

Re: [gmx-users] Search doesn't work past May 2007

2008-01-08 Thread David van der Spoel
van Bemmelen wrote: Hi guys, I noticed that at this moment the mailing list search on the GROMACS website only gives results from before some date in May 2007. So it seems to me that the search database hasn't been updated since then. Is this done on purpose or is something wrong? For gmx-users

[gmx-users] Search doesn't work past May 2007

2008-01-08 Thread van Bemmelen
Hi guys, I noticed that at this moment the mailing list search on the GROMACS website only gives results from before some date in May 2007. So it seems to me that the search database hasn't been updated since then. Is this done on purpose or is something wrong? For gmx-users there is a way around

Re: [gmx-users] how to run MD of a new molecule using OPLS

2008-01-08 Thread Mark Abraham
Egidijus Kuprusevicius wrote: Hi, Could anyone tell me how to parameterize a new molecule for using it with OPLS (basic principles). See http://wiki.gromacs.org/index.php/Parameterization > What a .pdb file should look like As normal, you need atom and residue names corresponding to those f

Re: [gmx-users] How can I add ffG43a1p force field to gromacs software?

2008-01-08 Thread Mark Abraham
Mitra Kheirabadi wrote: Dear Dr.Periole I add ffG43a1p to FF.dat/ top and changed 11 to 12 on this file but sorry again I did not appear. please help me. The new forcefield files have to go to the same location as the old ones, in the subdirectory something like share/gromacs/top. Or prefe

Re: [gmx-users] Protocol describing how to add a new force field into Gromacs

2008-01-08 Thread Mark Abraham
Tandia, Adama wrote: Dear FOLKS, Is a standard protocol to add new force field into Gromacs developed/published somewhere? Yes and no. The format required is well described in Chapter 5 of the GROMACS manual, and anyone wishing to add a new forcefield can do so by using the knowledge there

Re: [gmx-users] do_dssp file format

2008-01-08 Thread Mark Abraham
ABEL Stephane 175950 wrote: Hi gromacs users For my work I have performed some simulations of a protein in water with an other MD software not compatible with GROMACS. And I would like to compute the time evolution of the secondary structure of my protein, I know that the do_dssp tool in GROM

[gmx-users] Protocol describing how to add a new force field into Gromacs

2008-01-08 Thread Tandia, Adama
Dear FOLKS, Is a standard protocol to add new force field into Gromacs developed/published somewhere? I have great interest in Embedded Atom Method, Modified EAM and Stillinger-Weber force field. These are force fields, I believe, that could help in a great deal the glass/ceramics community! Same

回复: Re: [gmx-users] demux.pl

2008-01-08 Thread xi zhao
Sorry, but in source of v3.3.2 and 3.3.1 of the website , there is not demux.pl script, please help me! Mark Abraham <[EMAIL PROTECTED]> 写道: xi zhao wrote: > Dear all Gromacs users: > I want to obtain demux.pl for analysis REMD, but I do not know how to > get it, please help me! > Thank you v

Re: [gmx-users] energy perturbation

2008-01-08 Thread Farzad Molani
Hi Mark I read the manual and I used umabrella sampling and I got a curve for pmf but now I want pmf by energy perturbation that I want to sure about my curve that I got by umbrella sampling. my question is about .itp file and how do I create. thank you very much. ---

[gmx-users] Re: The results of your email commands

2008-01-08 Thread Farzad Molani
Hi Mark I read the manual and I used umabrella sampling and I got a curve for pmf but now I want pmf by energy perturbation that I want to sure about my curve that I got by umbrella sampling. my question is about .itp file and how do I create. thank you very much. [EMAIL PROTECTED] wrote: The re

[gmx-users] Re: energy perturbation

2008-01-08 Thread Farzad Molani
Hi Mark I read the manual and I used umabrella sampling and I got a curve for pmf but now I want pmf by energy perturbation that I want to sure about my curve that I got by umbrella sampling. my question is about .itp file and how do I create. thank you very much. [EMAIL PROTECTED] wrote: The re

[gmx-users] Re: energy perturbation

2008-01-08 Thread Farzad Molani
Hi Mark I read the manual and I used umabrella sampling and I got a curve for pmf but now I want to calculate pmf by energy perturbation that I want to sure about my curve that I got by umbrella sampling. my question is about .itp file and how do I create. thank you very much. [EMAIL PROTECTED]

Re: ??: Re: [gmx-users] demux .pl

2008-01-08 Thread David van der Spoel
xi zhao wrote: Sorry, but in source of v3.3.2 and 3.3.1 of the website , there is not demux.pl src/contrib/scripts script, please help me! */Mark Abraham <[EMAIL PROTECTED]>/* ??: xi zhao wrote: > Dear all Gromacs users: > I want to obtain demux.pl for analysis REMD, but I do

Re: [gmx-users] how to run MD of a new molecule using OPLS

2008-01-08 Thread David van der Spoel
Mark Abraham wrote: Egidijus Kuprusevicius wrote: Hi, Could anyone tell me how to parameterize a new molecule for using it with OPLS (basic principles). See http://wiki.gromacs.org/index.php/Parameterization > What a .pdb file should look like As normal, you need atom and residue names co

Re: ??: Re: [gmx-users] demux.pl

2008-01-08 Thread Mark Abraham
David van der Spoel wrote: xi zhao wrote: Sorry, but in source of v3.3.2 and 3.3.1 of the website , there is not demux.pl src/contrib/scripts Actually, Xi Zhao is right here, David. Neither of the 3.3.1 or 3.3.2 source distributions has either this subdirectory or demux.pl anywhere else.

Re: ??: Re: [gmx-users] demux.pl

2008-01-08 Thread David van der Spoel
Mark Abraham wrote: David van der Spoel wrote: xi zhao wrote: Sorry, but in source of v3.3.2 and 3.3.1 of the website , there is not demux.pl src/contrib/scripts You're dead right. WIll fix this for the next release. It is attached to this mail. Actually, Xi Zhao is right here, David. N