[gmx-users] clarification regarding contact map - g_mdmat

2013-01-31 Thread Kavyashree M
Dear users, I used g_mdmap to calculate the C-alpha contact map of the trajectory. the distance cut off of 8.0 Ang was selected The protein is a dimer of 237 residues. The output of -no was like this - #resratio tot mean natm mean/atm 1 1.000 473 473.0001 473.000 2

Re: [gmx-users] grimaces 4.6 installation error

2013-01-31 Thread Fernando Favela
Here's the complete log file: https://dl.dropbox.com/u/11027999/make.log Thanks in advance. Fernando. On Jan 31, 2013, at 10:05 PM, Roland Schulz wrote: > On Thu, Jan 31, 2013 at 8:18 PM, Fernando Favela > wrote: > >> Dear Gromacs users, >> >> I'm trying to install GMX 4.6 in a 64 Bit Machin

Re: [gmx-users] grimaces 4.6 installation error

2013-01-31 Thread Roland Schulz
On Thu, Jan 31, 2013 at 8:18 PM, Fernando Favela wrote: > Dear Gromacs users, > > I'm trying to install GMX 4.6 in a 64 Bit Machine with Nvidia GTX 680 > cards, I've already installed the intel compilers, cuda 5 and openmpi. > > I do the following procedure: > CC=/opt/intel/bin/icc CXX=/opt/intel/

[gmx-users] grimaces 4.6 installation error

2013-01-31 Thread Fernando Favela
Dear Gromacs users, I'm trying to install GMX 4.6 in a 64 Bit Machine with Nvidia GTX 680 cards, I've already installed the intel compilers, cuda 5 and openmpi. I do the following procedure: CC=/opt/intel/bin/icc CXX=/opt/intel/bin/icpc cmake .. then sudo make -j 12 and I get this error: Li

Re: [gmx-users] Re: Re: Inquiry about a completely user defined force field

2013-01-31 Thread Justin Lemkul
On 1/31/13 6:17 PM, S. Alireza Bagherzadeh wrote: -- Message: 1 Date: Thu, 31 Jan 2013 16:57:56 -0500 From: Justin Lemkul Subject: Re: [gmx-users] Re: Inquiry about a completely user defined force field To: Discus

Re: [gmx-users] g_x2top is missing bonds

2013-01-31 Thread Justin Lemkul
On 1/31/13 5:09 PM, FX wrote: It would be useful to see the .n2t file and the screen output about what's problematic. g_x2top cannot identify suitable entries in the .n2t file for 36 of your atoms, so some combination of atoms is not accounted for, either by omission in the .n2t file or fro

Re: [gmx-users] g_x2top is missing bonds

2013-01-31 Thread FX
> try acpype iso g_x2top (this comes straight from the developer). Two questions: 1. How's that supposed to work? I tried, it doesn't work, acpype does not know "iso" or "g_x2top" arguments 2. I'm not using AMBER as forcefield, so I'm not sure if that wrapper on ambertools is appropriate T

Re: [gmx-users] g_x2top is missing bonds

2013-01-31 Thread FX
> It would be useful to see the .n2t file and the screen output about what's > problematic. g_x2top cannot identify suitable entries in the .n2t file for > 36 of your atoms, so some combination of atoms is not accounted for, either > by omission in the .n2t file or from a configuration that doe

Re: [gmx-users] g_x2top is missing bonds

2013-01-31 Thread David van der Spoel
On 2013-01-31 22:55, FX wrote: Hey Matt, (It's a small world, eh?) I don't have a particular reason to use Gromacs. I used it for small ions solvation ten years back, I liked it, but every time I have tried to use it since for crystalline systems, I was put off because, as you say, it's proba

Re: [gmx-users] Removal of global rotation/translation

2013-01-31 Thread Justin Lemkul
On 1/31/13 11:53 AM, George Patargias wrote: Dear Gromacs list I would like to ask a question regarding the global rotation and translation removal in GROMACS. In my mdp file I use the following options: ; mode for center of mass motion removal comm-mode= Linear ; number of st

Re: [gmx-users] Re: Inquiry about a completely user defined force field

2013-01-31 Thread Justin Lemkul
On 1/31/13 1:57 PM, S. Alireza Bagherzadeh wrote: Dear Dr.Abraham, Thank you for taking the time to look at my files. However, I have one question remained in my mind: Where is the "atomtypes.atp" used in the force field? I suspect that this file is only for clarification for the user in ord

Re: [gmx-users] g_x2top is missing bonds

2013-01-31 Thread FX
Hey Matt, (It's a small world, eh?) I don't have a particular reason to use Gromacs. I used it for small ions solvation ten years back, I liked it, but every time I have tried to use it since for crystalline systems, I was put off because, as you say, it's probably not what it's designed for.

Re: [gmx-users] g_x2top is missing bonds

2013-01-31 Thread Justin Lemkul
On 1/31/13 4:10 PM, Matt Watkins wrote: Oops. Well, I'd be interested in people's opinions and don't intend to hijack FX's thread. I do use the code regularly and greatly appreciate all the effort that people have put into its development. But, particularly, the inability to easily mix bucking

Re: [gmx-users] g_x2top is missing bonds

2013-01-31 Thread Justin Lemkul
On 1/31/13 2:32 PM, FX wrote: Hello, I'm trying to prepare a MD of a hybrid organic-inorganic crystal, i.e. only one big molecule extending throughout space with PBC. I have prepared my .gro file from the PDB (and checked it with babel/vmd). I'm trying to generate the topology with g_x2top.

Re: [gmx-users] g_x2top is missing bonds

2013-01-31 Thread Matt Watkins
Oops. Well, I'd be interested in people's opinions and don't intend to hijack FX's thread. I do use the code regularly and greatly appreciate all the effort that people have put into its development. But, particularly, the inability to easily mix buckingham and lennard-jones is awkward for

Re: [gmx-users] g_x2top is missing bonds

2013-01-31 Thread Matt Watkins
Hey FX, out of interest (and I ask off list as it is probably not very politically correct) why do you want to use gromacs? I've found it to be a nightmare for other than proteins/trivial systems. Hope things are well, Matt On Thu, 31 Jan 2013 19:32:36 -, FX wrote: Hello, I'm tryi

[gmx-users] g_x2top is missing bonds

2013-01-31 Thread FX
Hello, I'm trying to prepare a MD of a hybrid organic-inorganic crystal, i.e. only one big molecule extending throughout space with PBC. I have prepared my .gro file from the PDB (and checked it with babel/vmd). I'm trying to generate the topology with g_x2top. I have: - created a directory

[gmx-users] choice of the hydrogen name added thanks to .hdb file ?

2013-01-31 Thread Landraille
Hello, I would like to know if it's possible to give a specific name to an hydrogen which will be added thanks to the .hdb file. Indeed, by default, the hydrogens added on the same carbon have the same name with the last number incremented by 1. Example : for charmm36, the hydrogens added to th

[gmx-users] Removal of global rotation/translation

2013-01-31 Thread George Patargias
Dear Gromacs list I would like to ask a question regarding the global rotation and translation removal in GROMACS. In my mdp file I use the following options: ; mode for center of mass motion removal comm-mode= Linear ; number of steps for center of mass motion removal nstcomm

Re: [gmx-users] Error in BlueGene

2013-01-31 Thread David van der Spoel
On 2013-01-30 23:48, Ricardo Soares wrote: Hello, before submitting to Bluegene, I always test the system in my local 8 core cpu, and if it works, it will also work in Bluegene, as long as I balance the domain decomposition for the larger number of cores. If your system insists in exploding, eve

Re: [gmx-users] ligand topology

2013-01-31 Thread Justin Lemkul
On 1/31/13 9:51 AM, az kalsom wrote: hi i have docked the compund with protein and selected the best protein-ligand conformation for simulations, but when i generate the topolgy for ligand by Automated Topology Builder (ATB) and Repository , job is killed every tym. error message is 1) geomet

Re: [gmx-users] gcpr tutorial

2013-01-31 Thread Justin Lemkul
On 1/31/13 3:19 AM, Najmeh Fani wrote: Hello please help me I have a question in gpcr tutorial when I run energy minimization process for inflategro with this command: grompp -f EM.mdp -c system_inflated.gro -p topol.top -o EM.tpr -maxwarn 5 I seen an error : Fatal error: [ file strong_posre.

[gmx-users] gcpr tutorial

2013-01-31 Thread Najmeh Fani
Hello please help me I have a question in gpcr tutorial when I run energy minimization process for inflategro with this command: grompp -f EM.mdp -c system_inflated.gro -p topol.top -o EM.tpr -maxwarn 5 I seen an error : Fatal error: [ file strong_posre.itp, line 57 ]: Atom index (53) in position_