Re: [gmx-users] Regarding gmx-user mailing list thread "Gibbs free energy landscape Vs. the stability of protein structure"

2015-09-25 Thread Naba
Dear David sir, Is it feasible to evaluate Gibbs free energy landscape of only the concerned loops from cartesian coordinates? I mean to say is it feasible to extract covariance matrix of my concerned loops from the entire trajectory and then evaluating Gibbs free energy landscape? OR, should I ex

Re: [gmx-users] Gromacs says that may GeForce 9800gt is incompatible any, help?

2015-09-25 Thread Justin Lemkul
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Re: [gmx-users] gromacs.org_gmx-users Digest, Vol 137, Issue 137

2015-09-25 Thread Juliano Braz Carregal
bbed... URL: <http://maillist.sys.kth.se/pipermail/gromacs.org_gmx-users/attachments/20150925/fcc6225b/attachment-0001.html> -- Message: 2 Date: Fri, 25 Sep 2015 19:15:43 + From: Repic Matej To: "gmx-users@gromacs.org" Subject

Re: [gmx-users] GROMACS with AMBER heme parameters

2015-09-25 Thread Ebert Maximilian
I will answer my own question: I found in another post that indeed in GROMACS its Rmin. Thanks > On Sep 25, 2015, at 5:25 PM, Ebert Maximilian wrote: > > Yeah that is what I thought but that’s life. > > One more question.In the [ atomtypes ] section I need the sigma and epsilon > value. In

Re: [gmx-users] GROMACS with AMBER heme parameters

2015-09-25 Thread Ebert Maximilian
Yeah that is what I thought but that’s life. One more question.In the [ atomtypes ] section I need the sigma and epsilon value. In found them in the GAFF FF in the MOD4 section. In GROMACS sigma is in nm and epsilon in KJ/mol. In GAFF epsilon is in Kcal/mol and sigma is in angstroem and define

Re: [gmx-users] GROMACS with AMBER heme parameters

2015-09-25 Thread Justin Lemkul
On 9/25/15 4:40 PM, Ebert Maximilian wrote: I read that and this is the way I added the cysteine to AMBER which connects to the heme. Now I am adding the heme but the FF definition for bonds, angles, etc are all in lower case for the GAFF FF. From you answer I guess I need to add these lower

Re: [gmx-users] GROMACS with AMBER heme parameters

2015-09-25 Thread Ebert Maximilian
I read that and this is the way I added the cysteine to AMBER which connects to the heme. Now I am adding the heme but the FF definition for bonds, angles, etc are all in lower case for the GAFF FF. From you answer I guess I need to add these lower case atom types and the bonds, angles, etc defi

Re: [gmx-users] GROMACS with AMBER heme parameters

2015-09-25 Thread Justin Lemkul
On 9/25/15 4:22 PM, Ebert Maximilian wrote: Since the heme definition in AMBER uses GAFF atom types how do I get the GAFF FF to work in GROMACS? I would need all the bonded and non bonded definitions of GAFF for the heme in der AMBER FF port in GROMACS right? http://www.gromacs.org/Documen

Re: [gmx-users] GROMACS with AMBER heme parameters

2015-09-25 Thread Ebert Maximilian
Since the heme definition in AMBER uses GAFF atom types how do I get the GAFF FF to work in GROMACS? I would need all the bonded and non bonded definitions of GAFF for the heme in der AMBER FF port in GROMACS right? Max > On Sep 25, 2015, at 1:36 PM, Justin Lemkul wrote: > > > > On 9/25/15

Re: [gmx-users] Gromacs says that may GeForce 9800gt is incompatible any help?

2015-09-25 Thread Repic Matej
Unfortunately, it is incompatible. 9800GT has compute capability 1.1, but gromacs needs 2.0 or higher. The oldest compatible cards are GTX 4xx series from 2010, but 9800GT is from 2008. Best, -- Dr. Matej Repic Ecole Polytechnique Fédérale de L

[gmx-users] Gromacs says that may GeForce 9800gt is incompatible any help?

2015-09-25 Thread Juliano Braz Carregal
Gromacs 5 says that may GeForce 9800gt is incompatible any help? -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests

Re: [gmx-users] Analysis of old xtc file using gromacs-5 tools

2015-09-25 Thread Venkat Reddy
Hi Tsjerk, Thank you for the quick reply. Yes I can access it with other versions, like 4.5.5, 5.0.4. On Fri, Sep 25, 2015 at 11:33 PM, Tsjerk Wassenaar wrote: > Hi Venkat, > > Does it exist? Is it accessible? The XTC format did not change since the > early years of Gromacs. Can you access it wi

Re: [gmx-users] Analysis of old xtc file using gromacs-5 tools

2015-09-25 Thread Tsjerk Wassenaar
Hi Venkat, Does it exist? Is it accessible? The XTC format did not change since the early years of Gromacs. Can you access it with a different version? Cheers, Tsjerk On Sep 25, 2015 19:52, "Venkat Reddy" wrote: > Dear all, > I have a trajectory file generated by gromacs-4.5.5. Recently I trie

[gmx-users] Analysis of old xtc file using gromacs-5 tools

2015-09-25 Thread Venkat Reddy
Dear all, I have a trajectory file generated by gromacs-4.5.5. Recently I tried to plot radial distribution function using 'gmx rdf' tool available in gromacs-5.1. But I am getting the following error. Error in user input: Invalid command-line options In command-line option -f File 'system.xt

Re: [gmx-users] GROMACS with AMBER heme parameters

2015-09-25 Thread Justin Lemkul
On 9/25/15 1:32 PM, Ebert Maximilian wrote: Hi there, I am trying to simulate a heme containing protein. I found AMBER heme parameters in the mol2 and frcmod file format. I know that I can generate .itp files containing the parameters, which I can later add to my .top file. However, it would b

[gmx-users] GROMACS with AMBER heme parameters

2015-09-25 Thread Ebert Maximilian
Hi there, I am trying to simulate a heme containing protein. I found AMBER heme parameters in the mol2 and frcmod file format. I know that I can generate .itp files containing the parameters, which I can later add to my .top file. However, it would be much easier to use pdb2gmx directly without

Re: [gmx-users] Prospective research areas of GROMACS

2015-09-25 Thread Sabyasachi Sahoo
Thanks a lot for such in-depth insight! Will look into all of this and get started asap! On Wed, Sep 23, 2015 at 1:29 AM, Mark Abraham wrote: > Hi, > > On Mon, Sep 21, 2015 at 7:10 PM Sabyasachi Sahoo > wrote: > > > Dear Gromacs users and developers, > > > > I am a parallel programming research

Re: [gmx-users] Optimize the cut-off distance and fourierspacing

2015-09-25 Thread Mark Abraham
Hi, mdrun uses -tunepme by default, which does this. You can learn more about the theory behind the implementation in the PDF reference manual. There is also gmx tune_pme to scan a larger range of parameters than mdrun can. Mark On Fri, Sep 25, 2015 at 4:12 AM Vy Phan wrote: > Dear All gromacs

Re: [gmx-users] gromacs 5.0.5 install

2015-09-25 Thread Mark Abraham
Hi, That kind of error usually means you're trying to install into the build tree, or something like that. Source, build and install locations should be different. Mark On Fri, Sep 25, 2015 at 10:42 AM 신은혜 wrote: > I installed gromacs 5.0.5, but during installation, i got error massages > > CM

Re: [gmx-users] PTR is not found in residue topology database

2015-09-25 Thread Justin Lemkul
On 9/25/15 10:50 AM, Amali Guruge wrote: Dear all, My enzyme contains PTR (phosphotyrosine) molecule which connect to the DNA. When I run the command pdb2gmx, it gives an error stating that PTR is not found in residue topology database. How can I fix this problem? Can anyone help me? http:

[gmx-users] PTR is not found in residue topology database

2015-09-25 Thread Amali Guruge
Dear all, My enzyme contains PTR (phosphotyrosine) molecule which connect to the DNA. When I run the command pdb2gmx, it gives an error stating that PTR is not found in residue topology database. How can I fix this problem? Can anyone help me? Thank you. -- Gromacs Users mailing list * Please

Re: [gmx-users] gmx rdf gromacs 5.1 question!

2015-09-25 Thread Stelios Karozis
Thanks with selections syntax it works! -- Karozis Stelios Chemical Engineer, MSc Research Associate at EREL NCSR D- INRASTES tel:0030 210 650 3403 e-mail: skaro...@ipta.demokritos.gr On Fri, 25 Sep 2015 12:05:41 +0300, "Teemu Murtola" wrote : > Hi, > > indeed, this appears to be a bug

Re: [gmx-users] gmx rdf gromacs 5.1 question!

2015-09-25 Thread Teemu Murtola
Hi, indeed, this appears to be a bug, likely originating already from 5.0 times. I'll try to fix that soon. But it is just a convenience option, anyways: you can always write each of your selections as "mol_com of ...", and it should work the same. Best regards, Teemu On Fri, Sep 25, 2015 at 11:

Re: [gmx-users] gmx rdf gromacs 5.1 question!

2015-09-25 Thread Stelios Karozis
Hi Teemu Thanks for your response, but -seltype is not available as a flag for gmx rdf in gromacs 5.1 documentation, nor recognizable from cmd (I gave it a try...) -- Karozis Stelios Chemical Engineer, MSc Research Associate at EREL NCSR D- INRASTES tel:0030 210 650 3403 e-mail: skaro...@ipta

[gmx-users] gromacs 5.0.5 install

2015-09-25 Thread 신은혜
I installed gromacs 5.0.5, but during installation, i got error massages CMake Error at src/programs/cmake_install.cmake:42 (FILE): file INSTALL cannot find "//phome01/p580seh/gromacs-5.0.5/build/bin/gmx_mpi_d". Call Stack (most recent call first): src/cmake_install.cmake:40 (INCLUDE) cma

Re: [gmx-users] gmx rdf gromacs 5.1 question!

2015-09-25 Thread Teemu Murtola
Hi, You should use -seltype instead of -selrpos in this case. Best regards, Teemu On Fri, Sep 25, 2015, 11:12 Stelios Karozis wrote: > Greeting everyone, > I strated using gromacs 5.1 and I have difficulties with gmx rdf > command. With older version of gromacs I used -xy -rdf mol_com > flags

[gmx-users] gmx rdf gromacs 5.1 question!

2015-09-25 Thread Stelios Karozis
Greeting everyone, I strated using gromacs 5.1 and I have difficulties with gmx rdf command. With older version of gromacs I used -xy -rdf mol_com flags. As far as I can understand, the equivalent flags for gromacs 5.1 are -xy -selrpos mol_com but the result is not correct. For instance the firs