Re: [gmx-users] Re: Re: GENION: Ions inside the protein (Viswanadham Sridhara & Tsjerk Wassenaar)

2006-10-11 Thread Tsjerk Wassenaar
Hi Una, That seems perfectly sensible. The only thing is that I'd use editconf for renumbering, but I'm not even sure whether that will actually make a difference. Best, Tsjerk On 10/11/06, Una Bjarnadottir <[EMAIL PROTECTED]> wrote: Thank you so much for your response Viswanadham Sridhara an

[gmx-users] can i control the solvent box size?

2006-10-11 Thread zzhwise1
hello everyone     i want to know can i change or control the solvent size:my system is composed of two monolayers,and i want to add solvent just bettwen the monolayers! can anyone help me ?thanks addvaced!         美 女 恐 怖 败 家 秀 ( 组 图 ) 独 家 披 露 ! 小 资 女 人 8 个 绝 顶 隐 秘 的 趣 事 ( 组 图 ) __

Re: [gmx-users] g_hbond

2006-10-11 Thread Erik Marklund
Sounds like you you're using an old version of g_hbond. Either get a fresher version of gmx_hbond from the cvs repository or use g_hbond -nomerge. The latter generates unmerged hbn/hbm output that match. Look through the mailinglists. /Erik - Original Message - From: "merc mertens" <

[gmx-users] mixed solvent minimization

2006-10-11 Thread Owen, Michael
Title: mixed solvent minimization Hello Gromacs Users, I am trying to equilibrate a box that contains TFE and TIP4P water molecules using the OPLSAA/L force field.  The system converged several times using the steepest descent method, but each time I attempted a full simulation I received th

Re: [gmx-users] creating topology files

2006-10-11 Thread Mark Abraham
Anton Feenstra wrote: Mark Abraham wrote: --- Program grompp, VERSION 3.3.1 Source code file: toppush.c, line: 1180 Fatal error: Incorrect number of parameters - found 4, expected 6 or 12. -

Re: [gmx-users] CVS support for threads [was: qm_mopac.c problems in building of 3.3.1]

2006-10-11 Thread Erik Lindahl
Hi, On Oct 9, 2006, at 5:38 PM, Anton Feenstra wrote: Nevertheless, on newer architectures, threads would ultimately be the better choice. They're working on it and according to David van der Spoel it will be in 4.0 (that was on the Developer's list in May '04... Br, as David would p

Re: [gmx-users] creating topology files

2006-10-11 Thread Anton Feenstra
Mark Abraham wrote: --- Program grompp, VERSION 3.3.1 Source code file: toppush.c, line: 1180 Fatal error: Incorrect number of parameters - found 4, expected 6 or 12. --- This is being cause

Re: [gmx-users] name of molecules at rtp archives!

2006-10-11 Thread Anton Feenstra
Mark Abraham wrote: Samuel Silva Pita wrote: Hi GMXers, how can I find the names of the molecules that are represented at rtp archives? I'd tried to see at aminoacids.dat and at *bond.itp but I cannot find the names. For example: ETH, BA, ETHH, RTOL. Which molecules are these? Umm, residue

Re: [gmx-users] CVS support for threads [was: qm_mopac.c problems in building of 3.3.1]

2006-10-11 Thread Anton Feenstra
Jake Michaelson wrote: Another problem I've run into (this is OT) is the '--enable-threads' option. I know (from other mailing list posts) that this doesn't work in any of the releases, but how about CVS? If it doesn't work, why include the option in the configure script? It seems like with t

[gmx-users] rerun question

2006-10-11 Thread Anthony Cruz Balberdi
HI Users: I want to rerun my system to determine the energy of the protein. What I need to do? If the answer is to set up energygrp_excl I could include all the component of the system except the protein in one group an use this group for the energygrp_excl because my system have 6 differe

[gmx-users] Re: Re: GENION: Ions inside the protein (Viswanadham Sridhara & Tsjerk Wassenaar)

2006-10-11 Thread Una Bjarnadottir
Thank you so much for your response Viswanadham Sridhara and Tsjerk Wassenaar Still I seem to be doing something wrong because the ions always end up in the active site cleft!. This is what I do: 1. I move the 2 watermolecules (all three atoms) which I don't want to be replaced at the bottom of

[gmx-users] g_hbond

2006-10-11 Thread merc mertens
hello, after using g_hbond to generate an *.xpm file one sees in the *.xpm file the following: "y-label: "Hydrogen Bond Index"" and the y-axis ranges between 0 and 163. if i look in the additionally generated hbbond.ndx file, i see at the bottom of it the group "[ hbonds_* ]". i assumed that th

Re: [gmx-users] reproduction of PES with ffscan?

2006-10-11 Thread David van der Spoel
Reynier Suardiaz del Rio wrote: i want to performe a MD of a small systems with gromos, i would like to obtain new parameters for this system. the systems have two or three dihedrals. i want to fix C6 and C12 of 1-4 interactions for reproduction of quantum potential energy surface obtained fr

[gmx-users] reproduction of PES with ffscan?

2006-10-11 Thread Reynier Suardiaz del Rio
i want to performe a MD of a small systems with gromos, i would like to obtain new parameters for this system. the systems have two or three dihedrals. i want to fix C6 and C12 of 1-4 interactions for reproduction of quantum potential energy surface obtained from the simultaneous change of the

Re: [gmx-users] rtp use

2006-10-11 Thread Gavin Seddon
Dallas B. Warren wrote: > Gavin, > >> I have created my topology file but when I run pdb2gmx it >> complains of a missing rtp file. Will someone outline how I >> use pdb2gmx when the topology for my protein is not in the >> top dir? Gavin > > You don't. > > pdb2gmx only works when the forcef

[gmx-users] fftw and gromacs..

2006-10-11 Thread Brian O'Brien
Hi... I read the FAQ on using gromacs with FFTW... I set the LD_LIBRARY_PATH, yet when trying to make gromacs, at the ./ configure point, it still complains about not being able to find fftw configure: error: Cannot find fftw3f library ls /usr/local/lib/*fftw* /usr/local/lib/libfftw.a /usr/loc

[gmx-users] gromacs and x-grid on mac os x

2006-10-11 Thread Brian O'Brien
Can gromacs make use of xgrid on mac os x? ___ gmx-users mailing listgmx-users@gromacs.org http://www.gromacs.org/mailman/listinfo/gmx-users Please don't post (un)subscribe requests to the list. Use the www interface or send it to [EMAIL PROTECTED]

Re: [gmx-users] fftw and gromacs..

2006-10-11 Thread Mark Abraham
Brian O'Brien wrote: Hi... I read the FAQ on using gromacs with FFTW... I set the LD_LIBRARY_PATH, yet when trying to make gromacs, at the ./ configure point, it still complains about not being able to find fftw configure: error: Cannot find fftw3f library ls /usr/local/lib/*fftw* /usr/local/l

[gmx-users] fftw and gromacs..

2006-10-11 Thread Brian O'Brien
Hi... I read the FAQ on using gromacs with FFTW... I set the LD_LIBRARY_PATH, yet when trying to make gromacs, at the ./ configure point, it still complains about not being able to find fftw configure: error: Cannot find fftw3f library ls /usr/local/lib/*fftw* /usr/local/lib/libfftw.a /usr/loc

Re: [gmx-users] Using the CHARMM TIP3P water model in Gromacs

2006-10-11 Thread Yang Ye
On 10/11/2006 1:57 PM, Mark Abraham wrote: As an aside, I did develop assembly innerloops for CHARMM TIP3P water for x86 some time back and posted here. My main compute platform isn't x86 though, so I've not used them in anger. See discussions back in Feb and March this year on gmx-developers.

Re: [gmx-users] Using the CHARMM TIP3P water model in Gromacs

2006-10-11 Thread Erik Lindahl
Hi Mark,On Oct 11, 2006, at 7:57 AM, Mark Abraham wrote: Mostly correct - non-CHARMM TIP3P has LJ on the oxygen. However, the decision about which code to use is made on-the-fly by mdrun. If the molecule matches the pattern of a water molecule and only has LJ parameters on the oxygen then the optim