[gmx-users] (no subject)

2013-11-13 Thread Shine A
sir, I have a basic doubt about remd simulation. In remd is it possible to run 16 replicas in 8 processors? -- 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/Sear

[gmx-users] (no subject)

2013-11-06 Thread nahren manuel
Dear GMX Users, I am wish to perform  a conformational transition simulation using coarse-grained models (SBM http://smog-server.org/). I wanted to apply flooding to explore the conformational transition and have open-close transition my trajectory. But what I find is that when I start from a o

[gmx-users] (no subject)

2013-10-30 Thread Hari Pandey
Dear Gromacs users, Please somebody help . editconf computs the incorrect value of  "mass of input".  I tried to resolve this problem but failed. Previously I was doing AOt but now I just found that the molecule OS1 =O2L  showing error . Here I posted my A.pdb, RM.rtp atomtypes.atp.  The mass of

[gmx-users] (no subject)

2013-10-19 Thread Raj K
-- 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 (un)subscribe requests to the list. Use the www interface or send it to g

[gmx-users] (no subject)

2013-10-17 Thread Archana Sonawani-Jagtap
Hi, Please tell me what is wrong in my input file. I am not getting APL along with std deviation values. Following is the input and output for calculating APL Input file coord_file md.gro file_type gro num_frames1 num_lipid_types 1 resname1

[gmx-users] (no subject)

2013-10-02 Thread prithvi raj pandey
Dear gmx-users, We intend to perform free energy calculations by pulling a polypeptide along water-hexane interface. We need to pull the polypypeptide from the water layer towards the hexane layer (crossing the interface). For this we position restrained one hexane molecule in the bulk of hexane (

Re: [gmx-users] (no subject)

2013-09-30 Thread Justin Lemkul
On 9/30/13 5:19 AM, suhani nagpal wrote: Greetings I have a large protein of 303 residues and one of the lysine is acetylated in the same. The forcefield selection according to the options says as follows: Residue 'ALY' not found in residue topology database For more information and tips for

[gmx-users] (no subject)

2013-09-30 Thread suhani nagpal
Greetings I have a large protein of 303 residues and one of the lysine is acetylated in the same. The forcefield selection according to the options says as follows: Residue 'ALY' not found in residue topology database For more information and tips for troubleshooting, please check the GROMACS we

Re: [gmx-users] (no subject)

2013-09-14 Thread Justin Lemkul
On 9/14/13 7:31 AM, mabbasi wrote: Dear All users I used OPLS ff for my system. After md production I get this error: Fatal error: A charge group moved too far between two domain decomposition steps This usually means that your system is not well equilibrated. http://www.gromacs.org/Docum

[gmx-users] (no subject)

2013-09-14 Thread mabbasi
Dear All users I used OPLS ff for my system. After md production I get this error: Fatal error: A charge group moved too far between two domain decomposition steps This usually means that your system is not well equilibrated. maryam abbasi, PhD student of Medicinal Chemistry Department of Med

Re: [gmx-users] (no subject)

2013-09-03 Thread Justin Lemkul
On 9/3/13 7:20 AM, Prajisha Sujaya wrote: Respected sir, I am facing a problem while simulating the tRNA molecule while converting pdb to gro, Fatal error: Atom OP3 in residue A 1 was not found in rtp entry RA5 with 31 atoms while sorting atoms. force field used 3 (AMBER96 prot

[gmx-users] (no subject)

2013-09-03 Thread Prajisha Sujaya
Respected sir, I am facing a problem while simulating the tRNA molecule while converting pdb to gro, Fatal error: Atom OP3 in residue A 1 was not found in rtp entry RA5 with 31 atoms while sorting atoms. force field used 3 (AMBER96 protein, nucleic AMBER94), water model TIP3P. kind

[gmx-users] (no subject)

2013-07-24 Thread Jonathan Saboury
>In an implicit, non-periodic system, it is more likely that the ligand will >float away from the protein. I've tried it and that's all that ever happens. >Moreover, the current Gromacs version does not support implicit solvent on GPU >and the previous version that did had very limited functionali

[gmx-users] (no subject)

2013-07-07 Thread Mahboobeh Eslami
hi please help me must all mdp files to be similar for g_lie program? shouldn't i use of PME in all mdp files? what edr file must i use as input file for g_lie? best regards -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search

Re: [gmx-users] (no subject)

2013-06-20 Thread Justin Lemkul
On 6/20/13 11:11 PM, Hari Pandey wrote: Hi all gromacs users I have following (NVT.mdp) (NPT.mdp) and (NVE.mdp) . I have three parts of system, A, B and C. I want to put thermostat on A and C and couple the tempereture and do not put any thermostat on B. What I want is: after some ps,

[gmx-users] (no subject)

2013-06-20 Thread Hari Pandey
Hi all  gromacs users I have following (NVT.mdp) (NPT.mdp)  and (NVE.mdp)   .  I have three parts of system, A, B and C. I want to put thermostat on A and C and couple the tempereture and do not put any thermostat on B. What I want is: after some ps,  temperature of A and C should be constant (

[gmx-users] (no subject)

2013-06-05 Thread Saeid Akbarshahi
http://1515-org.com/njpczvkv/uvjeyddwjvclsn.php -- 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 (un)subscribe request

[gmx-users] (no subject)

2013-06-01 Thread Marcelo Vanean
On 2013-06-01 02:24, Marcelo Vanean wrote: > Hello to everyone. In version 4.5.5, calculating the viscosity with the > command g_energy -vis, the generated files (eviscoi.xvg, eviscoi.xvg and > visco.xvg) are inconsistent. The file evisco.xvg, for example, gives a > value of zero for viscosity usi

[gmx-users] (no subject)

2013-05-29 Thread Sathish Kumar
Dear Sir, In pulling simulations how to set pull_rate and pull_k .On which basis we can set these values. -- regards M.SathishKumar -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at http:

[gmx-users] (no subject)

2013-05-27 Thread Ishwor Poudyal
Dear all.I want to study Diffusion coefficient of carbonmonoxide in water...I get different values of force constant partial charge while searching for those constants. Can anyone help me providing the values of partial charge (of CO), force constant and lennard jones parameter used in the simul

[gmx-users] (no subject)

2013-05-17 Thread Sathish Kumar
Sir, I want to do pulling simulations for membrane protein and gold nanoparticles. Can you please suggest me some tutorials for calculating youngs modules ,stress and strain. Thank You -- regards M.SathishKumar -- gmx-users mailing listgmx-users@gromacs.org http:

[gmx-users] (no subject)

2013-05-06 Thread Sathish Kumar
I want to do simulation of protein at pH 12 so i have to deprotanate tyrosine,tryphtophan.Can you please tell me how i can do with pdb2gmx command -- regards M.SathishKumar -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the a

Re: [gmx-users] (no subject)

2013-05-06 Thread Erik Marklund
I really don't think thats possible at the moment. All interactions in Reax, if I recall correctly, are dependent on bond order, which is not an implemented concept in gromacs. Erik On 6 May 2013, at 12:51, Sathish Kumar wrote: > hai > i would like to use Reax force field,can we use r

[gmx-users] (no subject)

2013-05-06 Thread Sathish Kumar
I want to do simulation of protein at pH 12, in this case experimentally reported that the disulphide bonds of protein was broken and sulphurs become S negative . Can you please tell me making of disulphide as S- and S- is it correct and how to set force field to this.

[gmx-users] (no subject)

2013-05-06 Thread Sathish Kumar
hai i would like to use Reax force field,can we use reax force field in gromacs and if any one please tell to me weather reax ff is useful for protein -- regards M.SathishKumar -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Pleas

Re: [gmx-users] (no subject)

2013-05-05 Thread Justin Lemkul
On 5/5/13 5:10 AM, Group Gro wrote: Dear GROMACS users, I am working on protein-ligand complexes and when I run "mdrun -deffnm nvt.tpr -v" I run into this error: Fatal error: 2 particles communicated to PME node 1 are more than 2/3 times the cut-off out of the domain decomposition cell of th

[gmx-users] (no subject)

2013-05-05 Thread Group Gro
Dear GROMACS users, I am working on protein-ligand complexes and when I run "mdrun -deffnm nvt.tpr -v" I run into this error: Fatal error: 2 particles communicated to PME node 1 are more than 2/3 times the cut-off out of the domain decomposition cell of their charge group in dimension x. I foun

Re: [gmx-users] (no subject)

2013-04-10 Thread Mark Abraham
On Wed, Apr 10, 2013 at 3:49 PM, Liron Cohen wrote: > hi, > > i am using gromacs 4.5 and i am trying to run an energy minimization and > then temperature equilibration for a system of two charged plates plates > solvented in water. > the plates are made of fake atoms which has carbon atoms paramet

[gmx-users] (no subject)

2013-04-10 Thread Liron Cohen
hi, i am using gromacs 4.5 and i am trying to run an energy minimization and then temperature equilibration for a system of two charged plates plates solvented in water. the plates are made of fake atoms which has carbon atoms parameters, and a bond length of 0.2 nm. the plates are made from o

[gmx-users] (no subject)

2013-04-09 Thread Za Pour
Dear All I have done the lysozyme tutorial and at the end of the simulation a .gro file have been produced. would you please tell me whether this gro file contains the structure of our molecules at the end of simulation or not? I mean does it show the simulation box at the end of simulation?

[gmx-users] (no subject)

2013-03-26 Thread Sathish Kumar
Hai I have done 10ns simulation for a protein to this i want to calculate DCCM map.can you please suggest me how to calculate this map. Thank You. -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at

Re: [gmx-users] (no subject)

2013-03-25 Thread Emanuel Birru
plain what you are trying to do in detail to get >> more productive help. >> >> Cheers, >> EB >> >> -----Original Message- >> From: gmx-users-boun...@gromacs.org [mailto:gmx-users-boun...@gromacs.org] >> On Behalf Of Yongliang Yang >> Sen

Re: [gmx-users] (no subject)

2013-03-25 Thread Justin Lemkul
more productive help. Cheers, EB -Original Message- From: gmx-users-boun...@gromacs.org [mailto:gmx-users-boun...@gromacs.org] On Behalf Of Yongliang Yang Sent: Monday, 25 March 2013 5:01 PM To: gmx-users@gromacs.org Subject: [gmx-users] (no subject) Dear EB, Many thanks for the kind

RE: [gmx-users] (no subject)

2013-03-24 Thread Emanuel Birru
more productive help. Cheers, EB -Original Message- From: gmx-users-boun...@gromacs.org [mailto:gmx-users-boun...@gromacs.org] On Behalf Of Yongliang Yang Sent: Monday, 25 March 2013 5:01 PM To: gmx-users@gromacs.org Subject: [gmx-users] (no subject) Dear EB, Many thanks for the kind

[gmx-users] (no subject)

2013-03-24 Thread Yongliang Yang
Dear EB, Many thanks for the kind reply! We have revised the improper section followed your advice. The force field is amber99sb. Unfortunately, the program complained again, "No default proper dih. types'. Any advice? Thanks! Cheers Jeremy --- Hi Jeremy, I have checked how impro

Re: [gmx-users] (no subject)

2013-01-09 Thread Justin Lemkul
On 1/9/13 8:57 AM, sara azhari wrote: Dear Justin first ,I get error on atom number . after change emtol to 10 , I get same error on atom number . what' your idea? how to solve it? mdrun probably did a different number of steps and/or moved through configurations different.

[gmx-users] (no subject)

2013-01-09 Thread sara azhari
  Dear Justin  first ,I get error on atom  number . after change emtol to 10 , I get same error on atom number . what' your idea? how to solve it? I use this file for PR step , but I get this error:  A charge group moved too far between two domain decomposition your system mig

Re: [gmx-users] (no subject)

2013-01-06 Thread Justin Lemkul
On 1/6/13 7:29 AM, fatemeh ramezani wrote: I didn't set epsilon and sigma between au and other atoms equal to zero, but I have not enteredanyEpsilon and Sigmafor them , and once again I set them zero and try it again. If you didn't set them at all, grompp should have given a fatal error.

[gmx-users] (no subject)

2013-01-06 Thread fatemeh ramezani
I didn't set epsilon and sigma between au and other atoms equal to zero, but I have not enteredanyEpsilon and Sigmafor them , and once again I set them zero and try it again. But if closing of gold to protein, is because of charge, how do I delete its effect ? How can I uncharged the system?

Re: [gmx-users] (no subject)

2012-12-17 Thread Justin Lemkul
On 12/17/12 12:53 PM, Shine A wrote: sir, I am studying dynamics of a membrane protein using oplsaa force field. Energy minimization during nvt equilibration getting error like this. Fatal error: 1 particles communicated to PME node 1 are more than 2/3 times the cut-off out of the doma

[gmx-users] (no subject)

2012-12-17 Thread Shine A
sir, I am studying dynamics of a membrane protein using oplsaa force field. Energy minimization during nvt equilibration getting error like this. Fatal error: 1 particles communicated to PME node 1 are more than 2/3 times the cut-off out of the domain decomposition cell of their charge group

[gmx-users] (no subject)

2012-11-19 Thread behnoosh Bahadori
-- 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 (un)subscribe requests to the list. Use the www interface or send it to g

[gmx-users] (no subject)

2012-11-18 Thread behnoosh Bahadori
-- 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 (un)subscribe requests to the list. Use the www interface or send it to g

[gmx-users] (no subject)

2012-11-17 Thread behnoosh Bahadori
-- 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 (un)subscribe requests to the list. Use the www interface or send it to g

[gmx-users] (no subject)

2012-10-10 Thread Ananya Mondal
Hi friends, I'm interested in using Thole type model for water (polarizable) TTM2 J. Phys. Chem. A, 2006, 110 (11), pp 4100 or TTM3 ;J. Chem. Phys. 128, 074506 (2008) ) model. Can someone send me itp file for water.. Thanks Ananya -- gmx-users mailing listgmx-users@gromacs.org http://lists.

[gmx-users] (no subject)

2012-10-08 Thread yp sun
Dear all, When I try to install gromacs-4.5.5 on my centos system, I meet trouble. I installed fftw-3.3.2 and then install gromacs-4.5.5. When I type /.configure command, I got the error information: checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-g

[gmx-users] (no subject)

2012-10-05 Thread masoumeh nosrati
-- 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 (un)subscribe requests to the list. Use the www interface or send it to g

Re: [gmx-users] (no subject)

2012-10-03 Thread Justin Lemkul
On 10/3/12 5:17 PM, Ho, Tuan A. wrote: Dear Gromacs users, I would like to simulate water on Ruthenium surface. Would you please suggest the force field used to describe Ru. You're not likely to find one built into Gromacs by default. http://www.gromacs.org/Documentation/How-tos/Parameteriz

[gmx-users] (no subject)

2012-10-03 Thread Ho, Tuan A.
Dear Gromacs users, I would like to simulate water on Ruthenium surface. Would you please suggest the force field used to describe Ru. Many thanks. -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at http://www.gro

[gmx-users] (no subject)

2012-09-08 Thread niaz poorgholami
Dear gmx users I am analyzing simulation results of a system including carbon nanotube+surfactant molecules. I would like to calculate the number of surfactants located on a specific distance(say 1 nm ) from nanotube in each timestep or average of that quantity.I would be really appreciated if some

Re: [gmx-users] (no subject)

2012-08-28 Thread Justin Lemkul
On 8/28/12 1:25 PM, Lingyun Wang wrote: Hi all, I want to model a protein on the surface of a bilayer membrane. Is it reasonable to add less water molecules to the bilayer side without protein? Or the water should be the same on both side of membrane? Thanks. Given periodic boundaries con

[gmx-users] (no subject)

2012-08-28 Thread Lingyun Wang
Hi all, I want to model a protein on the surface of a bilayer membrane. Is it reasonable to add less water molecules to the bilayer side without protein? Or the water should be the same on both side of membrane? Thanks. Lingyun -- gmx-users mailing listgmx-users@gromacs.org http://lists.gro

Re: [gmx-users] (no subject)

2012-08-02 Thread Justin Lemkul
On 8/2/12 10:09 AM, vidhya sankar wrote: Dear Gromacs user , I Write Some linux .sh programming to automate grompp and mdrun process in Clustering which is as Follows Could Any one of you point out the error in following script files ? is it correct or not. Are you getting an

[gmx-users] (no subject)

2012-08-02 Thread vidhya sankar
Dear Gromacs user , I Write  Some linux   .sh  programming to automate grompp and mdrun process in Clustering  which is as Follows Could Any one of you  point out the error in following  script files ?   is it correct or not. #!/bin/bash #! -l nodes=1:ppn=4 # load the modules # preproc s

[gmx-users] (no subject)

2012-07-23 Thread Covington, Cody Lance
Dear gmx-users I am trying to calculate the optical rotation of a molecule in solution. There are several examples of this in the literature where they take snapshots of molecule at intervals throughout the trajectory, calculate optical rotation, and average them to get a solvated optical rotat

[gmx-users] (no subject)

2012-07-21 Thread radhika jaswal
Dear Sir, Thanks sir. I am using the ffG43a1 force field. Mine is an unusual unusual peptide and got the necessary files from prodrg server. and also pasting the top file. Please tell where , m making the mistake. The Force Fields to be included #include "ffG43a1.itp" ; Include nmab2 topology #

Re: [gmx-users] (no subject)

2012-07-14 Thread Justin A. Lemkul
On 7/14/12 3:34 AM, sara elham wrote: Dear Gromacs users I want to find the solution for my problem from mailing list, but it give me this massage: "Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding." The website experiences inte

[gmx-users] (no subject)

2012-07-14 Thread sara elham
Dear Gromacs users I want to find the solution for my problem from mailing list, but it give me this massage: "Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding." I tried to registration again, but in the section " Type the characters

[gmx-users] (no subject)

2012-07-12 Thread Markus Kaukonen
>g_energy -dp IIRC. >g_energy -h is your friend. By the way in single precision you have 7-8 digits >only. It seems that the X.edr file only contains 6 digits (if mdrun was done with single precision). So g_energy -f X.edr -dp gives me only 6 digits. To wish list: X.edr file should contain as ma

Re: [gmx-users] (no subject)

2012-07-11 Thread Justin A. Lemkul
On 7/11/12 6:19 AM, amir abbasi wrote: Thanks Justin, But I want to neutralize my system in implicit solvent. In Amber I had use Debye screening but in gromacs I don't know what should I do. From my understanding, this remains an unresolved issue. -Justin On Wed, Jul 11, 2012 at 2:45 PM,

Re: [gmx-users] (no subject)

2012-07-11 Thread amir abbasi
Thanks Justin, But I want to neutralize my system in implicit solvent. In Amber I had use Debye screening but in gromacs I don't know what should I do. On Wed, Jul 11, 2012 at 2:45 PM, Justin A. Lemkul wrote: > > > On 7/11/12 6:00 AM, amir abbasi wrote: >> >> Hi All! >> I want to use Implicit so

Re: [gmx-users] (no subject)

2012-07-11 Thread Justin A. Lemkul
On 7/11/12 6:00 AM, amir abbasi wrote: Hi All! I want to use Implicit solvent to simulate a nucleic acid sequence. How can I do it? I use this command: genion -s ions.tpr -o nucleic_ions.gro -p nucleic.top -pname K+ -nname CL -neutral -conc 0.1 ions.tpr file is same as umbrella sampling tutori

[gmx-users] (no subject)

2012-07-11 Thread amir abbasi
Hi All! I want to use Implicit solvent to simulate a nucleic acid sequence. How can I do it? I use this command: genion -s ions.tpr -o nucleic_ions.gro -p nucleic.top -pname K+ -nname CL -neutral -conc 0.1 ions.tpr file is same as umbrella sampling tutorial. I got this error message: Fatal error:

[gmx-users] (no subject)

2012-07-11 Thread sara elham
Dear Gromacs Users, I have a system consists of cyclohexan, pentanol, surfactant and water in MARTINI coarse-grained ff, when I do pr.mdp for this system (posre.itp file is only for surfactant), water molecules are not distributed and are aggregated in one place in the box. I don't know what shoul

Re: [gmx-users] (no subject)

2012-06-19 Thread Justin A. Lemkul
On 6/19/12 8:58 AM, ankita oindrila wrote: I am doing simulation of membrane protein in lipid bilayer for my college project!. After making the complex of protein and lipid bilayer, I was going to the step using genbox to solvate the system. The error that i am now getting is : Fat

[gmx-users] (no subject)

2012-06-19 Thread ankita oindrila
I am doing simulation of membrane protein in lipid bilayer for my college project!. After making the complex of protein and lipid bilayer, I was going to the step using genbox to solvate the system. The error that i am now getting is : Fatal error: Not enough memory. Failed to realloc 10

Re: [gmx-users] (no subject)

2012-06-18 Thread Justin A. Lemkul
On 6/18/12 4:55 AM, ankita oindrila wrote: i am doing protein in bilipid membrane simulation. while packing the protein in the lipid membrane step, i am getting this error. command : perl inflategro.pl system.gro 4 DPPC 14 system_inflated.gro 5 area.dat Reading. Scaling lipids Ther

[gmx-users] (no subject)

2012-06-18 Thread ankita oindrila
i am doing protein in bilipid membrane simulation. while packing the protein in the lipid membrane step, i am getting this error. command : perl inflategro.pl system.gro 4 DPPC 14 system_inflated.gro 5 area.dat Reading. Scaling lipids There are 0 lipids... Illegal division by zero at i

Re: [gmx-users] (no subject)

2012-06-13 Thread Justin A. Lemkul
On 6/13/12 5:09 AM, Seera Suryanarayana wrote: Dear all gromacs users, I am doing moleculer dynamics by using gromacs software.I got the following error after using the commond" mdrun -deffnm nvt". Fatal error: A charge group moved too far between two domain decompositio

[gmx-users] (no subject)

2012-06-13 Thread Seera Suryanarayana
Dear all gromacs users, I am doing moleculer dynamics by using gromacs software.I got the following error after using the commond" mdrun -deffnm nvt". Fatal error: A charge group moved too far between two domain decomposition steps This usually means that your system is not w

Re: [gmx-users] (no subject)

2012-06-11 Thread Mark Abraham
On 12/06/2012 3:18 PM, tarak karmakar wrote: Dear All , I am facing problem in matching the coordinates number in this two files, em.gro and toplogy.top. I have tried with changing the number of solvents, adding ions (Na+) but in vain _Note :: My system has ' -1.00 ' charge ...so I

Re: [gmx-users] (no subject)

2012-06-11 Thread Klniu
Could you paste your .top file and the command your add ions? Maybe the Cl- ion was also added when you added Na+ ion? On Tue, Jun 12, 2012 at 1:18 PM, tarak karmakar wrote: > Dear All , > > I am facing problem in matching the coordinates number in this two files, > em.gro and toplogy.top. > I ha

[gmx-users] (no subject)

2012-06-11 Thread tarak karmakar
Dear All , I am facing problem in matching the coordinates number in this two files, em.gro and toplogy.top. I have tried with changing the number of solvents, adding ions (Na+) but in vain *Note :: My system has ' -1.00 ' charge ...so I have added one Sodium ion* So can anyone please g

[gmx-users] (no subject)

2012-05-31 Thread Marc Charendoff
http://livehistorytours.com/wp-content/uploads/wapple-architect/images/postHeader/loveit.php?public138.jpg-- 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

Re: [gmx-users] (no subject)

2012-05-31 Thread Justin A. Lemkul
On 5/31/12 7:37 AM, Subramaniam Boopathi wrote: how to assign charge and charge group number when new residue as being added to the existing amino acid rtp file The details depend on the force field you're using. http://www.gromacs.org/Documentation/How-tos/Parameterization -Justin -- ===

Re: [gmx-users] (no subject)

2012-05-31 Thread Mark Abraham
On 31/05/2012 9:37 PM, Subramaniam Boopathi wrote: how to assign charge and charge group number when new residue as being added to the existing amino acid rtp file Read about the file format in the manual. Mark -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman

[gmx-users] (no subject)

2012-05-31 Thread Subramaniam Boopathi
how to assign charge and charge group number when new residue as being added to the existing amino acid rtp file -- 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

[gmx-users] (no subject)

2012-05-24 Thread Pathumwadee Intharathep
http://tgiturkiye.net/breakingnews/63LeePhillips/";>http://tgiturkiye.net/breakingnews/63LeePhillips/ -- 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 post

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2012-05-16 Thread Justin A. Lemkul
On 5/16/12 8:49 AM, rama david wrote: Hi Gromacs Friends, I plan to simulate protein In Trifluoro Ethanol solvent using G96 53a6 FF Please help to define parameters in md.mdp For water I am using following mdp file lincs_order= 4; also related to accuracy ; Neighborsearchi

[gmx-users] (no subject)

2012-05-16 Thread rama david
Hi Gromacs Friends, I plan to simulate protein In Trifluoro Ethanol solvent using G96 53a6 FF Please help to define parameters in md.mdp For water I am using following mdp file lincs_order= 4; also related to accuracy ; Neighborsearching ns_type= grid; search n

[gmx-users] (no subject)

2012-05-08 Thread Milinda Samaraweera
Hi Guys I was using the program http://q4md-forcefieldtools.org/RED/ to derrive ESP based charges for some molecules that I study using OPLSAA force field. Is this a correct method to do so if not please let me know what are the other methods that are available. thanks alot   Milinda Samarawee

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2012-05-08 Thread Za Pour
Dear Justin I really appreciate for your reply. -- 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 (un)subscribe requests to the l

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2012-04-19 Thread Nilesh Dhumal
Hello, I am doing solvation dynamics for my system. I have system with diatomic (PA---NE)solute surrounded by water molecules. I am running simulation for two differcent cases. 1. PA charge=0 and NE charge=0 : No charge on solute 2. PA charge=+1 and NE charge=-1 : Charge on solute For seco

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2012-04-03 Thread Suhaila Haji Mohd Hussin
Rev0Iuti0n - h0me business http://transcom68.com/httpckhatcpa12k2.php?pesIDid=318 Wed, 4 Apr 2012 4:31:32 __ " Peter Wilks lives? they givea glance at one another, and nodded their heads, as much as to say, Whatd I tell you? Then one of them says, kind of soft and gentl

[gmx-users] (no subject)

2012-03-22 Thread Ashalatha Sreshty
Dear Gromacs users, I am performing MD simulation of an 14 units oligosaccharide on Gromacs 4.5.4. I am able to successfully do a 10 ns simulation on a DELL-precision workstation and also a 5ns simulation on tyrone cluster using a PBS script (shown below). However, when I am trying to proceed for

Re: [gmx-users] (no subject)

2012-03-20 Thread Justin A. Lemkul
Anik Sen wrote: Respected Sir, I am new to gromacs. Am using GROMACS 4.5.5 version. I have two questions.. 1. I want to know about plotting the co-ordination number (CN) of the water molecules around one of my substrate say a KCl molecule for example. What should

[gmx-users] (no subject)

2012-03-20 Thread Anik Sen
Respected Sir, I am new to gromacs. Am using GROMACS 4.5.5 version. I have two questions.. 1. I want to know about plotting the co-ordination number (CN) of the water molecules around one of my substrate say a KCl molecule for example. What should i do to get the CN num

[gmx-users] (no subject)

2012-03-09 Thread saly jackson
Hi Thanks alot. With your suggestions my problem was solved. Saly -- 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 (un)subscr

Re: [gmx-users] (no subject)

2012-03-08 Thread Justin A. Lemkul
saly jackson wrote: Hi, I want to add 8 of a molecule including 6 atoms. But when I run each of the following commands I System total charge: 0.000 Grid: 5 x 5 x 5 cells nri = 1948, nrj = 22927 Try 63309box_margin = 3t overlap: Neighborsearching with a cut-off of 3 Table routines are us

[gmx-users] (no subject)

2012-03-08 Thread saly jackson
Hi, I want to add 8 of a molecule including 6 atoms. But when I run each of the following commands I System total charge: 0.000 Grid: 5 x 5 x 5 cells nri = 1948, nrj = 22927 Try 63309box_margin = 3t overlap: Neighborsearching with a cut-off of 3 Table routines are used for coulomb: FALSE Tabl

[gmx-users] (no subject)

2012-01-28 Thread James Starlight
Dear Gromacs users! I want to simulate membrane receptor in the Gromos 56 force field in the vacuu and I have some methodological questions. 1- I need to edit topology of my structure by adding one DOUBLE covalent bond between desires atoms ( they have been already placed in the desired adjacen

[gmx-users] (no subject)

2012-01-27 Thread Anik Sen
The following is a part of the dna pdb file, which I am using: ATOM 1 OH DG5 X 1 13.663 36.760 21.465 0.00 0.00 ATOM 2 CT DG5 X 1 14.791 36.040 21.150 0.00 0.00 ATOM 3 CT DG5 X 1 14.771 34.703 21.873 0.00 0.00 ATOM 4 OS DG5 X 1 16

Re: [gmx-users] (no subject)

2012-01-20 Thread Justin A. Lemkul
Yoshus Kumka wrote: Hello, I am trying to a simple energy minimization with my DNA molecule I created with 3DNA program. Below is a snippet of a pdb file where I've only included coordinates for one residue to save space (/Actual file contains coordinates for 12-mer DNA/). So my question

[gmx-users] (no subject)

2012-01-20 Thread Yoshus Kumka
Hello, I am trying to a simple energy minimization with my DNA molecule I created with 3DNA program. Below is a snippet of a pdb file where I've only included coordinates for one residue to save space (Actual file contains coordinates for 12-mer DNA). So my question is why is t

[gmx-users] (no subject)

2012-01-16 Thread dina dusti
-- 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 (un)subscribe requests to the list. Use the www interface or send it to gmx-u

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2012-01-16 Thread dina dusti
-- 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 (un)subscribe requests to the list. Use the www interface or send it to gmx-u

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2012-01-13 Thread Turgay Cakmak
Hi all, I am new to the Gromacs and just started to use Gromacs for MD simulations. I am tring to extend the simulation (protein in a box) 10 ns more. For this, I used the following command: grompp -f md.mdp -c md_first.gro -t md_first.cpt -p topol.top -o md_second.tpr mdrun & It seems to run.. I a

Re: [gmx-users] (no subject)

2012-01-11 Thread Mark Abraham
On 12/01/2012 5:44 PM, Anik Sen wrote: fftw-3.3 installation: first gone to the fftw3.3 folder ./configure --enable-threads --enable-float --enable-sse --enable-shared --prefix /home/ganguly/Gromacs/fftw3.3 . . . make . . . make install Then gromacs 4.5.5 is being installed. installation: fir

RE: [gmx-users] (no subject)

2012-01-11 Thread Anik Sen
y@localhost gromacs-4.5.5]$ ________________ From: gmx-users-boun...@gromacs.org [gmx-users-boun...@gromacs.org] on behalf of Javier Cerezo [j...@um.es] Sent: Wednesday, January 11, 2012 5:12 PM To: gmx-users@gromacs.org Subject: Re: [gmx-users] (no subject) You need to post how

Re: [gmx-users] (no subject)

2012-01-11 Thread Javier Cerezo
:* Re: [gmx-users] (no subject) Hi You should compile your fftw with --enable-shared if you want to link your gromacs installation to shared libraries (which is the default in the latest versions). Check the installation instructions in the website. Javier El 11/01/12 08:20, Anik Sen escribió

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