Re: [gmx-users] Problem with mdrun!

2007-09-14 Thread David van der Spoel
Blaise Mathias-Costa wrote: Hello All, The program was stopped twice with the following error: Constraint error in algorithm Lincs at step 54646 t = 109.292 ps: Water molecule starting at atom 13293 can not be settled. Check for bad contacts and/or reduce the timestep.Wrote pdb files with

Re: [gmx-users] calculation the force of interaction

2007-09-14 Thread David van der Spoel
Mark Abraham wrote: Hello, In the same context that my question of yesterday (see the post at the end of this message), I'm interested in calculating the force of the interaction between lipids and solvent. More precisely, I want to calculate the norm of the force vector related to all non-bon

[gmx-users] lifetime between pairs of vectors

2007-09-14 Thread Jian Dai
Hi, GROMACS users: I'm trying to calculate the lifetime distribution between pairs of vectors. The problem can be simplified as: there are many vectors in any one frame of a MD trajectory, and when one vector is within a cutoff distance with another vector, and their angle is larger than a cutoff a

[gmx-users] Problem with mdrun!

2007-09-14 Thread Blaise Mathias-Costa
Hello All,The program was stopped twice with the following error:   Constraint error in algorithm Lincs at step 54646t = 109.292 ps: Water molecule starting at atom 13293 can not be settled.Check for bad contacts and/or reduce the timestep.Wrote pdb files with previous and current coordinatesGrid:

Re: [gmx-users] calculation the force of interaction

2007-09-14 Thread Mark Abraham
> Hello, > > In the same context that my question of yesterday (see the post at the > end of this message), I'm interested in calculating the force of the > interaction between lipids and solvent. More precisely, I want to > calculate the norm of the force vector related to all non-bonded > inter

Re: [gmx-users] Examples

2007-09-14 Thread Mark Abraham
> Dear Gromacs users, > > Could you please help me to find any examples of 2 component simple > reactions with > all the preliminary calculations and further data files for simulations on > Gromacs. http://catb.org/~esr/faqs/smart-questions.html#homework Why would we want to do your work for fr

RE: [gmx-users] g_wham

2007-09-14 Thread Naser, Md Abu
hi Lanyuan, Thanks for your replay. I have tried the current(3.3.1) and 3.3 version g_wham. They both dont work. What do you mean by original? With best regards, Abu Naser School Of Life Sciences Heriot-Watt University Edinburgh EH14 4AS Email: [EMAIL PROTECTED] Phone: +44(0)1314518265 F

RE: [gmx-users] g_wham

2007-09-14 Thread LuLanyuan
Hi, I don't remember whether the bug has been fixed for 3.3.*. Can any gromacs guy clarify that? Abu, have you tried the original g_wham first? If it really dosen't work, please shoot me an email. Then I can send you the correct file. Lanyuan Lu > Date: Fr

[gmx-users] calculation the force of interaction

2007-09-14 Thread Nicolas Sapay
Hello, In the same context that my question of yesterday (see the post at the end of this message), I'm interested in calculating the force of the interaction between lipids and solvent. More precisely, I want to calculate the norm of the force vector related to all non-bonded interactions (

Re: [gmx-users] To deshuffle or not to deshuffle, that is a question.

2007-09-14 Thread Yang Ye
On 9/14/2007 5:35 PM, [EMAIL PROTECTED] wrote: Selon Yang Ye <[EMAIL PROTECTED]>: Deshuffling shall be made before 2), 3) and 4). Furthermore, be aware that if you use the 'sort' option, you'll also need to desort ... IIRC, there is a g_desort program that does all in one (it was publ

[gmx-users] Examples

2007-09-14 Thread Sagittarius
Dear Gromacs users, Could you please help me to find any examples of 2 component simple reactions with all the preliminary calculations and further data files for simulations on Gromacs. Thank you in advance Alex - Take the Internet to Go

Re: [gmx-users] g_sorient segmenation fault

2007-09-14 Thread David van der Spoel
Naser, Md Abu wrote: Hi All, I have been getting segmenation fault with current(3.3.1) version of g_sorient. Dose anybody know why? please submit a bugzilla. With best regards, Abu Naser School Of Life Sciences Heriot-Watt University Edinburgh EH14 4AS Email: [EMAIL PROTECTED] Phone: +4

Re: [gmx-users] xpm2ps -f ss.xpm

2007-09-14 Thread David van der Spoel
Rigden, LucianeVMello wrote: Dear all, I am trying to generate a postscript file using xpm2ps. I had a look in the archive, where they suggest the use of gimp to visualise ss.xpm. However, for some reason the colour I got with gimp is not the same in ps. And the display with gimp is not colour

[gmx-users] xpm2ps -f ss.xpm

2007-09-14 Thread Rigden, LucianeVMello
Dear all, I am trying to generate a postscript file using xpm2ps. I had a look in the archive, where they suggest the use of gimp to visualise ss.xpm. However, for some reason the colour I got with gimp is not the same in ps. And the display with gimp is not colour coded. I can tell by comparing

[gmx-users] g_sorient segmenation fault

2007-09-14 Thread Naser, Md Abu
Hi All, I have been getting segmenation fault with current(3.3.1) version of g_sorient. Dose anybody know why? With best regards, Abu Naser School Of Life Sciences Heriot-Watt University Edinburgh EH14 4AS Email: [EMAIL PROTECTED] Phone: +44(0)1314518265 Fax : +44(0) 131 451 3009 ___

[gmx-users] g_wham

2007-09-14 Thread Naser, Md Abu
Hi, Is there any way I can get corrected version of g_wham? I know form the discussion archive that David Bostick has a copy of the corrected g_wham. With regards, Abu Naser School Of Life Sciences Heriot-Watt University Edinburgh EH14 4AS Email: [EMAIL PROTECTED] Phone: +44(0)1314518265

Re: [gmx-users] topology of Alpha d-mannopyranosyl (1-6) alpha d-mannopyranose

2007-09-14 Thread TJ Piggot
Just a quick look at the ffG45a3.rtp shows that there is an entry for ADE, however the ADE entry is for Adenine. For help with your problem check out: http://wiki.gromacs.org/index.php/Errors#Residue_.27XXX.27_not_found_in_residue_topology_database Tom --On Friday, September 14, 2007 14:13:55

[gmx-users] topology of Alpha d-mannopyranosyl (1-6) alpha d-mannopyranose

2007-09-14 Thread parichita parichita
Hi, I have facing some problem when converting .pdb file to .gro and .top . I have a .pdb of alpha d-mannose (1-6) alpha d-mannose. I was using the pdb2gmx command and 45a3 forcefield . Showing the fatal error: Atom O in residue ADE 1 not found in rtp entry with 25 atoms

Re: [gmx-users] To deshuffle or not to deshuffle, that is a question.

2007-09-14 Thread steletch
Selon Yang Ye <[EMAIL PROTECTED]>: > Deshuffling shall be made before 2), 3) and 4). Furthermore, be aware that if you use the 'sort' option, you'll also need to desort ... IIRC, there is a g_desort program that does all in one (it was published on the list some time ago), and should be avaialbe

Re: [gmx-users] To deshuffle or not to deshuffle, that is a question.

2007-09-14 Thread Yang Ye
Deshuffling shall be made before 2), 3) and 4). On 9/14/2007 11:36 AM, Frankie Montenegro wrote: Hi guys, A stupid question: I got myself confused with this shuffling/deshuffling thing, which I shouldn't have been doing with protein in the first place. So this are my steps, done on the same 4

RE: [gmx-users] Applying a Uniform Shear

2007-09-14 Thread Berk Hess
From: toma0052 <[EMAIL PROTECTED]> Reply-To: Discussion list for GROMACS users To: Discussion list for GROMACS users Subject: [gmx-users] Applying a Uniform Shear Date: Thu, 13 Sep 2007 12:00:12 CDT Hello, I am looking for a way in Gromacs that I could apply a uniform shear. I have