[gmx-users] the radius of dry core

2012-05-07 Thread dina dusti
Dear Dr. Warren, Thank you very much from your help. Best Regards Dina -- 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

[gmx-users] error estimate

2012-05-07 Thread dina dusti
Dear GROMACS Specialists, I have doubt about these error estimates for Rg and Rg(x,y,z). May I ask you to say me why is the difference between them. for example for Rg is 0.0002 and for others is 0.00x?! And are my error estimates true? Please help me.  

Fwd: [gmx-users] How to build 1-4 pairs tables for -tablep in mdrun?

2012-05-07 Thread Marcelo Lopez
You didn't reply the part where I told unless you're trying to have some advantage... -- Forwarded message -- From: Mark Abraham mark.abra...@anu.edu.au Date: 2012/5/6 Subject: Re: [gmx-users] How to build 1-4 pairs tables for -tablep in mdrun? To: Discussion list for GROMACS

[gmx-users] itp file problem

2012-05-07 Thread Sarath Kumar Baskaran
First i had simulation of the protein alone in united atom gromacs force field by -ff gmx in pdb2gmx now i am unable to run the protein-ligand complex for the same protein with a ligand, it says the following error due to itp file generated from PRODRG, if i change the force field its says atom

Re: [gmx-users] itp file problem

2012-05-07 Thread Anirban Ghosh
On Mon, May 7, 2012 at 5:11 PM, Sarath Kumar Baskaran bskumar.t...@gmail.com wrote: First i had simulation of the protein alone in united atom gromacs force field by -ff gmx in pdb2gmx now i am unable to run the protein-ligand complex for the same protein with a ligand, it says the

Re: [gmx-users] Positive potential energies for Dimethyl Aniline and Aniline

2012-05-07 Thread Justin A. Lemkul
On 5/6/12 11:11 PM, Debayan Chakraborty wrote: Dear Justin, The Jorgensen group have already published results for aniline and DMA using the OPLS-AA parameters. I am using the charges from their publication ( R. Rizzo and W.L.Jorgensen, J.Am.Chem.Soc., 1994, 121,

Re: [gmx-users] Re: GPCR MD Tutorial Using GROMACS (URL)

2012-05-07 Thread Justin A. Lemkul
On 5/7/12 1:01 AM, Anirban Ghosh wrote: On Mon, May 7, 2012 at 10:17 AM, Bala S think_bey...@aol.com mailto:think_bey...@aol.com wrote: Justin and Anirban, I have another query on membrane simulation following your tutorials. How do I insert only a part of protein into the

Re: [gmx-users] itp file problem

2012-05-07 Thread Justin A. Lemkul
On 5/7/12 7:41 AM, Sarath Kumar Baskaran wrote: First i had simulation of the protein alone in united atom gromacs force field by -ff gmx in pdb2gmx now i am unable to run the protein-ligand complex for the same protein with a ligand, it says the following error due to itp file generated

RE: [gmx-users] How to build 1-4 pairs tables for -tablep in mdrun?

2012-05-07 Thread Broadbent, Richard
Dear Marcelo, I think you need to calm down. You are using a very nice piece of free code which has in excellent documentation as well as being open source. If you are using a piece of software in a non-standard way it stands to reason that it might not be documented. When this occurs in my

[gmx-users] Fwd: HEME-cysteine gromacs simulation

2012-05-07 Thread Mark Abraham
Hi, Please send requests for help to the gmx-users mailing list. I (and most others there) are not available as private tutors. Contrary to your assertion below, I've never run any simulations on cytochrome P450. You probably need to name your iron atom more suitably for your force field to

[gmx-users] Calculation of the components of (ionic) current using g_current

2012-05-07 Thread Andrew DeYoung
Hi, g_current calculates the (ionic) current in the output file specified by the -o switch (by default, current.xvg). Specifically, each component (x, y, and z) of the current is computed and printed. My question is, is the current that is computed the current of atoms (which each have partial

[gmx-users] ngmx

2012-05-07 Thread mohammad agha
Dear Gromacs users, I work with Gromacs in Linux, I want prepare a copy of snapshots by ngmx with jpg or pdf format or whatever that be open in Windows. May I ask you to help me,Please? Best Regards Sara -- gmx-users mailing listgmx-users@gromacs.org

Re: [gmx-users] ngmx

2012-05-07 Thread Justin A. Lemkul
On 5/7/12 1:50 PM, mohammad agha wrote: Dear Gromacs users, I work with Gromacs in Linux, I want prepare a copy of snapshots by ngmx with jpg or pdf format or whatever that be open in Windows. May I ask you to help me,Please? ngmx is a very simple viewing program. There are far better

Re: [gmx-users] Missing Interactions in [ angles ] Section in Topology

2012-05-07 Thread Lara Bunte
Hi So you think that I should edit something in ffbonded.itp? The parameters that I would write by hand in the topology should be supplemented in the ffbonded.itp? I don't really know what I have to do concretely, to fix this problem. Greetings Lara - Ursprüngliche Message -

Re: [gmx-users] Missing Interactions in [ angles ] Section in Topology

2012-05-07 Thread Justin A. Lemkul
On 5/7/12 2:54 PM, Lara Bunte wrote: Hi So you think that I should edit something in ffbonded.itp? The parameters that I would write by hand in the topology should be supplemented in the ffbonded.itp? I don't really know what I have to do concretely, to fix this problem. If the

Re: [gmx-users] pdb2gmx angles and dihedrals

2012-05-07 Thread Elton Carvalho
Thank you for your reply, Mark, On Sat, May 5, 2012 at 7:06 AM, Mark Abraham mark.abra...@anu.edu.au wrote: Fundamentally, pdb2gmx is built for fine-grained force fields. I'd have supposed Martini has some kind of builder program other than pdb2gmx, for this kind of reason, but I have no idea

[gmx-users] citation for pdb2gmx -vsite hydrogens

2012-05-07 Thread Christopher Neale
Dear users: I am writing my methods section for a simulation in which I used -vsites hydrogens and I want to ensure that I have the reference correct. The gmx-4.5.4 manual does not list a reference that I could see for this usage by searching vsites. Is this the correct reference: Feenstra,

Re: [gmx-users] some hardware questions

2012-05-07 Thread Szilárd Páll
On Wed, May 2, 2012 at 11:51 AM, melichercik melicher...@nh.cas.cz wrote: Hi people, we plan to buy some computer mostly for gromacs, so I want to ask you for some hints. I'd tried to do some research, but no success. :( Have someone ever compared AMD Bulldozer and Sandy/Ivy Bridge

Re: [gmx-users] some hardware questions

2012-05-07 Thread Szilárd Páll
On Wed, May 2, 2012 at 12:17 PM, Thomas Evangelidis teva...@gmail.comwrote: For CPU performance comparison look at: www.spec.org/cpu2006/results for each CPU look at the statistics for floating point operations, namely for SPECfp_base2006 score for the programs of interest (GAMESS, GROMACS,

Re: [gmx-users] some hardware questions

2012-05-07 Thread Szilárd Páll
On Wed, May 2, 2012 at 5:44 PM, Peter C. Lai p...@uab.edu wrote: When considering compute hardware today, you're gonna have to shop like a gamer. A rig that can get high Battlefield 3 or Arma 2/3 framerates should also be able to get you some nice ns/day. (To a great extent) wong! While many

Re: [gmx-users] some hardware questions

2012-05-07 Thread Szilárd Páll
On Wed, May 2, 2012 at 6:13 PM, Mirco Wahab mirco.wa...@chemie.tu-freiberg.de wrote: Hello Peter, Am 02.05.2012 17:44, schrieb Peter C. Lai: You can wait for ivy bridge, then stick some Kepler GPUs (nvidia gtx 680) in it. That should max the performance. asm is pretty much stagnant for

Re: [gmx-users] some hardware questions

2012-05-07 Thread Szilárd Páll
On Fri, May 4, 2012 at 8:58 PM, Oliver Stueker ostue...@gmail.com wrote: Hi all, This week Nvidia has also announced the GeForce GTX 690 with two Kepler Chips [1]. That will make a total of 3072 CUDA cores @ 915MHz to 1019MHz and will perform like two GTX 680s in SLI mode [2], but more

Re: [gmx-users] Gromacs 4.6 with CUDA 4.2

2012-05-07 Thread Szilárd Páll
On Fri, May 4, 2012 at 9:20 PM, Roland Schulz rol...@utk.edu wrote: On Wed, Apr 25, 2012 at 9:38 AM, Szilárd Páll szilard.p...@cbr.su.se wrote: On Wed, Apr 25, 2012 at 11:43 AM, SebastianWaltz sebastian.wa...@physik.uni-freiburg.de wrote: Dear all, will the new version 4.6 work

Re: [gmx-users] pdb2gmx angles and dihedrals

2012-05-07 Thread Mark Abraham
On 8/05/2012 5:19 AM, Elton Carvalho wrote: Thank you for your reply, Mark, On Sat, May 5, 2012 at 7:06 AM, Mark Abrahammark.abra...@anu.edu.au wrote: Fundamentally, pdb2gmx is built for fine-grained force fields. I'd have supposed Martini has some kind of builder program other than pdb2gmx,

[gmx-users] Getting local pressure

2012-05-07 Thread cuong nguyen
Dear, Could anyone please let me know, in Gromacs analysis is there any way to get the local pressure (along z-axis of the box)? Thanks a lot! Cuong Nguyen -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users Please search the archive at

[gmx-users] ngmx

2012-05-07 Thread mohammad agha
Dear Justin, Thank you very much from your reply. I installed VMD on my system before but when I type vmd in terminal, the basic page of VMD flash and disappear!!! Because of my system was sensitive So, I decided work by ngmx. Can you help me about this problem, Please? Best Regards Sara

Re: [gmx-users] ngmx

2012-05-07 Thread Justin A. Lemkul
On 5/7/12 9:42 PM, mohammad agha wrote: Dear Justin, Thank you very much from your reply. I installed VMD on my system before but when I type vmd in terminal, the basic page of VMD flash and disappear!!! Because of my system was sensitive So, I decided work by ngmx. Can you help me about this

[gmx-users] ngmx

2012-05-07 Thread mohammad agha
Dear Justin, Thank you very much from your response. Best Regards Sara From: Justin A. Lemkul jalem...@vt.edu To: mohammad agha mra...@yahoo.com; Discussion list for GROMACS users gmx-users@gromacs.org Sent: Tuesday, May 8, 2012 6:15 AM Subject: Re: