Re: [gmx-users] installation of FFTW

2011-09-13 Thread Mark Abraham
On 14/09/2011 3:24 PM, ITHAYARAJA wrote: Hi I am working with RHEL 6 beta, I unable to install the FFTW package while installation I found the following error, There is no error reported in what you have shown. make[3]: Leaving directory `/home/Ithayaraja/Desktop/ fftw-3.3.1-beta1/tools'

[gmx-users] installation of FFTW

2011-09-13 Thread ITHAYARAJA
Hi I am working with RHEL 6 beta, I unable to install the FFTW package while installation I found the following error, make[3]: Leaving directory `/home/Ithayaraja/Desktop/ fftw-3.3.1-beta1/tools' make[2]: Leaving directory `/home/Ithayaraja/Desktop/fftw-3.3.1-beta1/tools' Making all in m4 make[

Re: [gmx-users] Time-varying Ion Charges

2011-09-13 Thread Tsjerk Wassenaar
Hey Zach, You may be best off starting from the free energy code. It can be used to perturb charges and other things during a simulation. Hope it helps, Tsjerk On Sep 13, 2011 2:55 AM, "Zach Levine" wrote: Hi everyone, I'm trying to implement time-varying charges for various ions located in

RE: [gmx-users] phase transition in MD simulation

2011-09-13 Thread Dallas Warren
It certainly is, you just need to focus on a property that changes between the phases and that is obtainable from the MDSs. For a transition from liquid to solid, things like RDF, SDF, dihedral fractions and diffusion coefficients might provide some insight. You have the trajectories, why don'

[gmx-users] phase transition in MD simulation

2011-09-13 Thread Elisabeth
Dear experts, I am working on a pure polymer melt system under NPT and at a given T, pressure is increased up to around 1000 bar. However, the phase diagram of the polymer is indicating that at this T, as pressure is increased to above 500 bar, system falls below the melting point. I mean I am do

[gmx-users] QM/MM/MD Semi-empirical Error

2011-09-13 Thread Yao Yao
Hi Guys, I met a problem when I ran QM/MM/MD using semi-empirical method in gmx407+mopac7, Subscript out of range on file line 1002, procedure domldt. Attempt to access the 161-th element of variable labels. Aborted - Has anyone met this before? Thanks,

Re: [gmx-users] Nucleic Acid in vacuo

2011-09-13 Thread Justin A. Lemkul
Matthias Ernst wrote: Thank you very much for your help, Justin. I tried it with those mdp options: title = INITIAL_EM0 cpp = /lib/cpp constraints = all-bonds integrator = md rlist = 0.0 rcoulomb= 0.0 rvdw

Re: [gmx-users] Nucleic Acid in vacuo

2011-09-13 Thread Matthias Ernst
Thank you very much for your help, Justin. I tried it with those mdp options: title = INITIAL_EM0 cpp = /lib/cpp constraints = all-bonds integrator = md rlist = 0.0 rcoulomb= 0.0 rvdw= 0.0 pbc

Re: [gmx-users] building GROMACS 4.5.4 on Power6 with CMAKE

2011-09-13 Thread Mark Abraham
On 14/09/2011 12:20 AM, Marcin Zielinski wrote: Ok, Using -DGMX_ACCELERATION=Power6 brings a plethora of new errors during the compilation. Firstly, including config.h inside the fortran .F kernel files for power6 is causing problems with their parsing using xlf. adding -WF,-qfpp didn't help

[gmx-users] building GROMACS 4.5.4 on Power6 with CMAKE

2011-09-13 Thread Marcin Zielinski
Ok, Using -DGMX_ACCELERATION=Power6 brings a plethora of new errors during the compilation. Firstly, including config.h inside the fortran .F kernel files for power6 is causing problems with their parsing using xlf. adding -WF,-qfpp didn't help. Had to provide a modified xlf.cfg config file

Re: [gmx-users] pull code: distance between pull grp and ref grp is more than usual at the begining of simulation (at 1st time frame 1 ps)

2011-09-13 Thread Justin A. Lemkul
Shilpi Chaurasia wrote: Dear Justin, Thanks a lot for your reply. Here I am providing the data and explaining the problem in detail: I hope that it will help you in understanding in a better way. Considering the tetramer as 'abcd'. 'ab' as one dimer and 'cd' as another, I want to separate

Re: [gmx-users] pull code: distance between pull grp and ref grp is more than usual at the begining of simulation (at 1st time frame 1 ps)

2011-09-13 Thread Shilpi Chaurasia
Dear Justin, Thanks a lot for your reply. Here I am providing the data and explaining the problem in detail: I hope that it will help you in understanding in a better way. Considering the tetramer as 'abcd'.  'ab' as one dimer and 'cd' as another, I want to separate 'ab' and 'cd'. Length o

Re: [gmx-users] g_dist error

2011-09-13 Thread Thomas Schlesier
ve at http://www.gromacs.org/Support/Mailing_Lists/Search before posting! Please don't post (un)subscribe requests to the list. Use the www interface or send it to gmx-users-requ...@gromacs.org. Can't post? Read http://www.gromacs.org/Support/Mailing_Lists -- next part

Re: [gmx-users] Unsubscribe me Please

2011-09-13 Thread Justin A. Lemkul
om prakash wrote: Unsubscribe me Please Per the footer of every message that hits the list: "Please don't post (un)subscribe requests to the list. Use the www interface or send it to gmx-users-requ...@gromacs.org." -Justin -- Justin A. Lemkul Ph.D

[gmx-users] Unsubscribe me Please

2011-09-13 Thread om prakash
Unsubscribe me Please -- Om Prakash Sharma Ph.D Scholar & DIT JRF Centre for Bioinformatics Pondicherry University Pondicherry-605014 -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users Please search the archive at http://www.gromacs.org/Support

Re: [gmx-users] Re: amb2gmx.pl to convert GLYCAM topology

2011-09-13 Thread Alan
Hi Yun, Have you read http://ambermd.org/formats.html? In particular, this note: """ NOTE: *the atom numbers in the following arrays that describe bonds, angles, and dihedrals are coordinate array indexes for runtime speed. The true atom number equals the absolute value of the number divided by

Re: [gmx-users] gmx output in VMD

2011-09-13 Thread Justin A. Lemkul
meisam valizadeh kiamahalleh wrote: Dear Gmx users I have run MD on carbon nanotube with solvated drug molecules inside and outside the tubes. Kindly would you please let me know how I can visualize and calculate the amount of molecules only inside the carbon nanotube during MD process. May

[gmx-users] can i get the amber94 topology file for so4 molecule?

2011-09-13 Thread Asha J
can i get the amber94 topology file for so4 molecule? -- Asha Jayachandran -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting! Please don't post (u

[gmx-users] RE:g_lie

2011-09-13 Thread lloyd riggs
Message: 2 Date: Mon, 12 Sep 2011 18:38:57 +0300 From: ? ?? Subject: [gmx-users] g_lie (again..) To: gmx-users@gromacs.org Message-ID: Content-Type: text/plain; charset="iso-8859-1" Hi all, Could anyone please refer to me to a paper or other resource that explains in detail (specifi

[gmx-users] gmx output in VMD

2011-09-13 Thread meisam valizadeh kiamahalleh
Dear Gmx users I have run MD on carbon nanotube with solvated drug molecules inside and outside the tubes. Kindly would you please let me know how I can visualize and calculate the amount of molecules only inside the carbon nanotube during MD process. May I know what keywords I should use in graph

Re: [gmx-users] g_rms matrix between wt and mutant

2011-09-13 Thread Mark Abraham
On 13/09/2011 6:11 PM, Shay Teaching wrote: Ok I tried that and it doesn't work: There's a fundamental difference between chains/no-chains topology, namely the existence of peptide bond between chains, and the different protonation state on the termini. In the chain-based topology there are sev

Re: [gmx-users] g_rms matrix between wt and mutant

2011-09-13 Thread Shay Teaching
Ok I tried that and it doesn't work: There's a fundamental difference between chains/no-chains topology, namely the existence of peptide bond between chains, and the different protonation state on the termini. In the chain-based topology there are several termini, and less peptide bonds. This caus

Re: [gmx-users] g_dist error

2011-09-13 Thread aiswarya pawar
g_dist -f md.xtc -s md.tpr -dist 0.5 -e 500 if the index name not given it takes the default index file, so there isnt any wrong in selecting the atoms. On Tue, Sep 13, 2011 at 1:24 PM, Mark Abraham wrote: > On 13/09/2011 4:14 PM, aiswarya pawar wrote: > > Mark, > > the command line goes like th

RE: [gmx-users] how to handle different atom names between pdb and rtp files.

2011-09-13 Thread gal.fradin
dear Xian, open the PDB using text editor and replace the name... good luck From: xiansh...@gmail.com To: gmx-users@gromacs.org Date: Tue, 13 Sep 2011 15:36:41 +0800 Subject: [gmx-users] how to handle different atom names between pdb and rtp files. Hello, I’ve got a pdb file,but wh

Re: [gmx-users] g_dist error

2011-09-13 Thread Mark Abraham
On 13/09/2011 4:14 PM, aiswarya pawar wrote: Mark, the command line goes like this- g_dist -f md.xtc -s md.tpr -dist 0.5 -e 500 This command line is not using an index file. The index groups defined for the grompp that produced the .tpr are being used (which may be the default ones, dependi

[gmx-users] how to handle different atom names between pdb and rtp files.

2011-09-13 Thread KONG Xian
Hello, I've got a pdb file,but while I convert it to gro files, I met such problem: Atom HA in residue MET 1 was not found in rtp entry MET with 11 atoms while sorting atoms I find that in the rtp files of the ff files, the H atom linked with C-alpha is called H, but in the pdb file, the sa

[gmx-users] building GROMACS 4.5.4 on Power6 with CMAKE

2011-09-13 Thread Marcin Zielinski
Hi Mark, I can confirm that the fix works. Setting -DGMX_ACCELERATION=Power6 sets to these /* Define to a macro mangling the given C identifier (in lower and upper case), which must not contain underscores, for linking with Fortran. */ #define F77_FUNC(name,NAME) name /* As F77_FUNC, but

[gmx-users] QM/MM/MD Semi-empirical Error

2011-09-13 Thread Yao Yao
Hi Guys, I met a problem when I ran QM/MM/MD using semi-empirical method in gmx407+mopac7, - "Subscript out of range on file line 659, procedure moldat. Attempt to access the 0-th element of variable eheat. Aborted" --