Re: [gmx-users] OWT5 not found in Charmmff

2010-09-12 Thread Mark Abraham


- Original Message -
From: Yao Yao ya...@ymail.com
Date: Saturday, September 11, 2010 10:00
Subject: [gmx-users] OWT5 not found in Charmmff
To: gmx-users@gromacs.org

 
 
 
 I am running tip5p in charmm force field in gmx. In energy 
 minimization step, it gives an error msg as below. I just simply 
 added it in atomtypes.atp in charmm27.ff, but still it doesn't 
 work. Does anyone know how to solve it?

Depends what you've done. My instructions about copying the charmm27.ff 
directory should have worked. More than tip5p.itp is required, and it has to go 
where pdb2gmx will find it - either in the local copy of the directory, or in 
the $GMXLIB version..

Mark


 ---
  Program grompp, VERSION 4.5-beta3
  Source code file: toppush.c, line: 1166
  
  Fatal error:
  Atomtype OWT5 not found
  For more information and tips for troubleshooting, please
  check the GROMACS
  website at http://www.gromacs.org/Documentation/Errors
  --
  
 
 
 
   
 
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Re: [gmx-users] please help, cannot compile gmx 4.5 openmm

2010-09-12 Thread Szilárd Páll
Hi Alan,

I assume this is still the same issue on the same issue (same
machine/os) as you reported last time.

Could you provide some details about the version of OS, compiler,
CUDA, OpenMM you're using?

I'll look into the problem and get back to you if I figure out something.

Cheers,
--
Szilárd



On Sat, Sep 11, 2010 at 12:56 AM, Alan alanwil...@gmail.com wrote:
 I am doing, after compiling and installing the normal grmx 4.5:
 rm -fr CMakeCache.txt
 make clean
 export OPENMM_ROOT_DIR=/usr/local/openmm
 cmake -DGMX_OPENMM=ON ..
 make mdrun
 [  1%] Building NVCC (Device) object
 src/kernel/gmx_gpu_utils/./gmx_gpu_utils_generated_memtestG80_core.cu.o
 [  1%] Building NVCC (Device) object
 src/kernel/gmx_gpu_utils/./gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
 Scanning dependencies of target gmx_gpu_utils
 Linking CXX shared library libgmx_gpu_utils.dylib
 Undefined symbols:
   _gmx_strncasecmp, referenced from:
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
   _debug, referenced from:
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       do_timed_memtest(int, int)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       do_full_memtest(int)  in gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       do_quick_memtest(int)  in gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
   _trim, referenced from:
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
       is_supported_cuda_gpu(int, char*)in
 gmx_gpu_utils_generated_gmx_gpu_utils.cu.o
 ld: symbol(s) not found
 collect2: ld returned 1 exit status
 make[3]: *** [src/kernel/gmx_gpu_utils/libgmx_gpu_utils.dylib] Error 1
 make[2]: *** [src/kernel/gmx_gpu_utils/CMakeFiles/gmx_gpu_utils.dir/all]
 Error 2
 make[1]: *** [src/kernel/CMakeFiles/mdrun.dir/rule] Error 2
 make: *** [mdrun] Error 2


 --
 Alan Wilter S. da Silva, D.Sc. - CCPN Research Associate
 Department of Biochemistry, University of Cambridge.
 80 Tennis Court Road, Cambridge CB2 1GA, UK.
http://www.bio.cam.ac.uk/~awd28

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[gmx-users] Problem Installing 4.5.1

2010-09-12 Thread Stephen P. Molnar

OpenSuSE 11.2 on 64bit AMD computer.

Compiling and installation went smoothly without any warning or error messages. 
 However, when I attempted running gmxdemo, the execution hund in pdb2gmx, the 
output file is attached.

Any help will be much appreciated.

Thanks in advance.
-- 
Stephen P. Molnar, Ph.D.Life is a fuzzy set
Foundation for ChemistryStochastic and multivarate
http://www.FoundationForChemistry.com


output.pdb2gmx
Description: Binary data
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Re: [gmx-users] Problem Installing 4.5.1

2010-09-12 Thread David van der Spoel

On 2010-09-12 16.17, Stephen P. Molnar wrote:


OpenSuSE 11.2 on 64bit AMD computer.

Compiling and installation went smoothly without any warning or error messages. 
 However, when I attempted running gmxdemo, the execution hund in pdb2gmx, the 
output file is attached.

Any help will be much appreciated.

Thanks in advance.

There is an error in the demo script. Please move on to the next part of 
the tutorial. We'll fix it for the next point release.


--
David van der Spoel, Ph.D., Professor of Biology
Dept. of Cell  Molec. Biol., Uppsala University.
Box 596, 75124 Uppsala, Sweden. Phone:  +46184714205.
sp...@xray.bmc.uu.sehttp://folding.bmc.uu.se
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[gmx-users] charmm to gromacs nonbonded parameters after conversion

2010-09-12 Thread ABEL Stephane 175950
Hi GMX users,
 
I would like to perform MD with new developped CHARMM parameters in GROMACS. 
Since these parameters are new, they are not presents in the ffcharm*.itp files 
 given in the of charmm27.ff in the latest GMX distribution. So I have already 
made the conversions for the bonded parameters. In case of the nonbonded 
parameters, I have added the LJ values for the new atom types at the end of the 
 NONBONDED section of a par_all_27_lipid.prm file downloaded from the CHARMM 
website. To convert the LJ values in GROMACS format, I used the perl script of 
M. Abraham :  convert_charmm_to_gromacs.pl (v.1.3) as follow : 
 
perl convert_charmm_to_gromacs.pl  par_all27_lipid.prm
 
I obtain the ffcharmm.itp and ffcharmmnb.itp files as expected. In the 
ffcharmmnb.itp the [ atomtypes ] section is present but not the [ pairtypes ] 
section. Moreover the values in the  [ atomtypes ]  are different compared to 
same file given in latest GMX distrib (see below). Why these differences ?
- My ffcharmmnb.itp file 
[ atomtypes ]
;name mass charge ptype c6   c12

 CTL1 12.011000   0.0 A -0.001485 -6.588e-06 ; -0.000252 -3.793e-07
 CTL2 12.011000   0.0 A -0.001978 -4.173e-06 ; -0.000252 -3.793e-07
 CTL3 12.011000   0.0 A -0.003011 -6.944e-06 ; -0.000252 -3.793e-07
 CTL5 12.011000   0.0 A -0.003274 -8.007e-06 ; -0.000252 -3.793e-07
 CEL1 12.011000   0.0 A -0.003035 -8.095e-06

-- GROMACS 4.5.1  ffcharmmnb.itp

[ atomtypes ]
;name at.num mass charge ptype sigma epsilon

CTL1 6 12.01100 0.14 A 0.405358916754 0.08368 
CTL2 6 12.01100 0.05 A 0.358141284692 0.234304
CTL3 6 12.01100 -0.27 A 0.363486677001 0.326352 
CTL5 6 12.01100 -0.35 A 0.367050271874 0.33472
CEL1 6 12.01100 -0.15 A 0.372395664183 0.284512 
.
Thank in advance for your halp 
 
Stefane
 

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[gmx-users] Visualization problem of bromo atom connected to an aromatic ring due to gromacs or VMD?

2010-09-12 Thread Meyer-Almes, Franz-Josef, Prof. Dr.
Dear all,

I have two question:

1) Are the atom types I chose for the use of OPLS force field correct?

I use gromacs 4.0.7 with opls force field under Ubuntu Linux to simulate enzyme 
drug interaction. Since the Dundee Prodrg Server converts PDB files of drug 
structures just in an .itp file compatible with gromos forcefields, I had to 
change the atom types as follows:

drug.itp:

 [ moleculetype ]
; Name nrexcl
drug  3

[ atoms ]
;   nr  type  resnr resid  atom  cgnr   charge mass
 1opls_145 1  DRG C1 1   -0.018  13.0190
 2opls_729 1  DRG C2 10.002  12.0110
 3opls_730 1  DRGBR1 10.016  79.9040
 4opls_166 1  DRG C3 20.149  12.0110
 5opls_167 1  DRG O1 2   -0.174  15.9994
 6opls_168 1  DRGHAA 20.066   1.0080
 7opls_145 1  DRG C4 2   -0.020  13.0190
 8opls_145 1  DRG C5 2   -0.021  13.0190
 9opls_145 1  DRG C6 30.002  12.0110
10   opls_136 1  DRG C7 30.093  14.0270
11   opls_139 1  DRG C8 30.172  12.0110
12   opls_750 1  DRG N1 3   -0.267  14.0067
13opls_154 1  DRG O2 4   -0.108  15.9994
14opls_155 1  DRGHAB 40.108   1.0080
15 opls_235 1  DRG C9 50.395  12.0110
16 opls_236 1  DRG O3 5   -0.664  15.9994
17 opls_237 1  DRG N2 50.159  14.0067
18 opls_240 1  DRGHAD 50.024   1.0080
19 opls_136 1  DRGC10 50.086  14.0270
20 opls_206 1  DRGC11 60.000  14.0270
21 opls_083 1  DRG S1 7   -1.000  32.0600

Drug.gro:

PRODRG COORDS
   21
1DRG  C1   1   8.555   5.270  -3.838
1DRG  C2   2   8.529   5.317  -3.967
1DRG  BR1  3   8.392   5.231  -4.068
1DRG  C3   4   8.602   5.424  -4.019
1DRG  O1   5   8.580   5.472  -4.145
1DRG  HAA  6   8.507   5.419  -4.189
1DRG  C4   7   8.700   5.485  -3.941
1DRG  C5   8   8.725   5.438  -3.812
1DRG  C6   9   8.653   5.331  -3.760
1DRG  C7  10   8.681   5.281  -3.619
1DRG  C8  11   8.788   5.172  -3.616
1DRG  N1  12   8.913   5.205  -3.598
1DRG  O2  13   8.945   5.341  -3.583
1DRG  HAB 14   9.044   5.351  -3.570
1DRG  C9  15   8.736   5.032  -3.632
1DRG  O3  16   8.619   5.004  -3.652
1DRG  N2  17   8.828   4.932  -3.624
1DRG  HAD 18   8.925   4.956  -3.626
1DRG  C10 19   8.790   4.792  -3.610
1DRG  C11 20   8.903   4.690  -3.629
1DRG  S1  21   8.838   4.520  -3.654
   1.11480   1.11480   1.11480

2) Visualization problem of VMD?
The second question is related to the first one:
I use VMD 1.8.7 under Windows XP. When I try to visualize above mentioned 
Drg.gro file using VMD, the bromo atom appears as a tiny point and is not 
connected to C2 as it should. When I convert the Drg.gro file to a pdf-file by 
the command editconf, the pdf-structure displays the bromo atom correctly 
connected to the aromatic ring. In addition, during the course of an mdrun over 
1 ns the relative position and the distance of the bromo atom to C2 remained 
unchanged. The distance between BR1 and C2 in the final mdrun after some 
relaxation was constantly 1.89 Angstrom which is realistic. Is my observation a 
visualization problem of VMD or a serious problem with gromacs which I do not 
see.
If it is a problem with VMD, Is there a remedy for the incorrect visualization 
of the drug molecule?


Thank you in advance,


Franz







F.-J. Meyer-Almes

Hochschule Darmstadt

Fachbereich Chemie- und Biotechnologie

Schnittspahnstr. 12

64287 Darmstadt

Email: franz-josef.meyer-al...@h-da.de

Tel.: ++49-(0)6151-168406

http://www2.h-da.de/cub/index.php?id=177

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Re: [gmx-users] Visualization problem of bromo atom connected to an aromatic ring due to gromacs or VMD?

2010-09-12 Thread Justin A. Lemkul



Meyer-Almes, Franz-Josef, Prof. Dr. wrote:

Dear all,

 


I have two question:

 


1) Are the atom types I chose for the use of OPLS force field correct?

 

I use gromacs 4.0.7 with opls force field under Ubuntu Linux to simulate 
enzyme drug interaction. Since the Dundee Prodrg Server converts PDB 
files of drug structures just in an .itp file compatible with gromos 
forcefields, I had to change the atom types as follows:


 


Simply changing the atom types is not likely an appropriate solution.  OPLS-AA 
is an all-atom force field, in which all H should be represented.  You have a 
grand total of 3 H atoms in this structure.  After a quick look at your 
structure, this is definitely not correct.


Also note that the charges that PRODRG generates fall somewhere between 
marginal and totally incorrect for even the GROMOS force fields.


snip


2) Visualization problem of VMD?

The second question is related to the first one:

I use VMD 1.8.7 under Windows XP. When I try to visualize above 
mentioned Drg.gro file using VMD, the bromo atom appears as a tiny point 
and is not connected to C2 as it should. When I convert the Drg.gro file 
to a pdf-file by the command editconf, the pdf-structure displays the 
bromo atom correctly connected to the aromatic ring. In addition, during 
the course of an mdrun over 1 ns the relative position and the distance 
of the bromo atom to C2 remained unchanged. The distance between BR1 and 
C2 in the final mdrun after some relaxation was constantly 1.89 Angstrom 
which is realistic. Is my observation a visualization problem of VMD or 
a serious problem with gromacs which I do not see.




I don't see how the problem is with Gromacs - you say that the output of mdrun 
is reasonable.  If you've defined a bond between two atoms, the bond will be 
there.  The topology is correct, VMD's interpretation of the molecule has no 
such guarantee.


If it is a problem with VMD, Is there a remedy for the incorrect 
visualization of the drug molecule?




VMD guesses where bonds should be based on inter-atomic distances.  There may be 
ways around this effect.  Many have been mentioned on this list, so a few 
minutes of poking around in the archive should turn up some useful information. 
 There may also be some information in the VMD mailing list archive or in the 
VMD manual.


-Justin

 

 


Thank you in advance,

 

 


Franz

 

 

 


F.-J. Meyer-Almes

Hochschule Darmstadt

Fachbereich Chemie- und Biotechnologie

Schnittspahnstr. 12

64287 Darmstadt

Email: franz-josef.meyer-al...@h-da.de

Tel.: ++49-(0)6151-168406

http://www2.h-da.de/cub/index.php?id=177

 



--


Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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[gmx-users] Polyglycine PDB file.

2010-09-12 Thread C Johnson

I'm new to gmx so I'm just seeing if I'm able to make homoblock polypeptides.  
I would like to simulate a 5 residue polyglycine.  I've used PRODRG to generate 
the pdb file, however trying to convert the file with pdb2gmx I receive the 
error:

Fatal error:
Residue 'Y' not found in residue topology database

My pdb file is:


ATOM1  O   GLY 1  -2.600  -2.350  -0.400  1.00 20.00 O
ATOM2  C   GLY 1  -2.250  -1.400   0.340  1.00 20.00 C
ATOM3  O   GLY 1  -1.850  -1.490   1.520  1.00 20.00 O
ATOM4  CA  GLY 1  -2.330   0.010  -0.240  1.00 20.00 C
ATOM5  N   GLY 1  -3.620   0.630   0.130  1.00 20.00 N
ATOM6  C   GLY 2  -3.800   1.640   1.000  1.00 20.00 C
ATOM7  O   GLY 2  -4.910   2.110   1.230  1.00 20.00 O
ATOM8  CA  GLY 2  -2.600   2.240   1.730  1.00 20.00 C
ATOM9  N   GLY 2  -2.160   3.460   1.030  1.00 20.00 N
ATOM   10  C   GLY 3  -2.510   4.720   1.320  1.00 20.00 C
ATOM   11  O   GLY 3  -2.050   5.670   0.680  1.00 20.00 O
ATOM   12  CA  GLY 3  -3.510   4.990   2.460  1.00 20.00 C
ATOM   13  N   GLY 3  -4.640   5.790   1.950  1.00 20.00 N
ATOM   14  C   GLY 4  -5.930   5.680   2.300  1.00 20.00 C
ATOM   15  O   GLY 4  -6.800   6.390   1.810  1.00 20.00 O
ATOM   16  CA  GLY 4  -6.340   4.640   3.360  1.00 20.00 C
ATOM   17  N   GLY 4  -6.800   5.360   4.570  1.00 20.00 N
ATOM   18  C   GLY 5  -7.330   4.810   5.670  1.00 20.00 C
ATOM   19  O   GLY 5  -7.640   5.500   6.640  1.00 20.00 O
ATOM   20  CA  GLY 5  -7.550   3.300   5.730  1.00 20.00 C
ATOM   21  N   GLY 5  -8.990   3.000   5.660  1.00 20.00 N
END

I'm not sure what I could be doing wrong since I pretty much mimicked the 
speptide.pdb in the tutor file.

Thanks for the help,
Joe.
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Re: [gmx-users] Polyglycine PDB file.

2010-09-12 Thread David van der Spoel

On 2010-09-12 21.13, C Johnson wrote:

I'm new to gmx so I'm just seeing if I'm able to make homoblock
polypeptides. I would like to simulate a 5 residue polyglycine. I've
used PRODRG to generate the pdb file, however trying to convert the file
with pdb2gmx I receive the error:

Fatal error:
Residue 'Y' not found in residue topology database

My pdb file is:


ATOM 1 O GLY 1 -2.600 -2.350 -0.400 1.00 20.00 O
ATOM 2 C GLY 1 -2.250 -1.400 0.340 1.00 20.00 C
ATOM 3 O GLY 1 -1.850 -1.490 1.520 1.00 20.00 O
ATOM 4 CA GLY 1 -2.330 0.010 -0.240 1.00 20.00 C
ATOM 5 N GLY 1 -3.620 0.630 0.130 1.00 20.00 N
ATOM 6 C GLY 2 -3.800 1.640 1.000 1.00 20.00 C
ATOM 7 O GLY 2 -4.910 2.110 1.230 1.00 20.00 O
ATOM 8 CA GLY 2 -2.600 2.240 1.730 1.00 20.00 C
ATOM 9 N GLY 2 -2.160 3.460 1.030 1.00 20.00 N
ATOM 10 C GLY 3 -2.510 4.720 1.320 1.00 20.00 C
ATOM 11 O GLY 3 -2.050 5.670 0.680 1.00 20.00 O
ATOM 12 CA GLY 3 -3.510 4.990 2.460 1.00 20.00 C
ATOM 13 N GLY 3 -4.640 5.790 1.950 1.00 20.00 N
ATOM 14 C GLY 4 -5.930 5.680 2.300 1.00 20.00 C
ATOM 15 O GLY 4 -6.800 6.390 1.810 1.00 20.00 O
ATOM 16 CA GLY 4 -6.340 4.640 3.360 1.00 20.00 C
ATOM 17 N GLY 4 -6.800 5.360 4.570 1.00 20.00 N
ATOM 18 C GLY 5 -7.330 4.810 5.670 1.00 20.00 C
ATOM 19 O GLY 5 -7.640 5.500 6.640 1.00 20.00 O
ATOM 20 CA GLY 5 -7.550 3.300 5.730 1.00 20.00 C
ATOM 21 N GLY 5 -8.990 3.000 5.660 1.00 20.00 N
END

I'm not sure what I could be doing wrong since I pretty much mimicked
the speptide.pdb in the tutor file.

Thanks for the help,
Joe.

I guess your pdb file has been damaged by a text editor (Word?). PDB 
files are fixed format, you can not add or remove spaces at will. You 
could try clicking together a peptide in Pymol or so, or drop the prodrg 
output in Notepad (if you're on Windows). On mac or linux it should be 
straightforward with text editors.




--
David van der Spoel, Ph.D., Professor of Biology
Dept. of Cell  Molec. Biol., Uppsala University.
Box 596, 75124 Uppsala, Sweden. Phone:  +46184714205.
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[gmx-users] PBS script

2010-09-12 Thread manoj singh
Hi,

I will be very thankful if someone can share a sample pbs script for running
Gromacs-4.5.

Thanks!
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Re: [gmx-users] PBS script

2010-09-12 Thread Justin A. Lemkul



manoj singh wrote:

Hi,

I will be very thankful if someone can share a sample pbs script for 
running Gromacs-4.5.




Contact your system admins.  There are far too many variables for such a setup 
for anyone here to send such information.


-Justin


Thanks!



--


Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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Re: [gmx-users] PBS script

2010-09-12 Thread manoj singh
Thanks for the reply!

I will be very thankful if you can send me whatever you have.

I will change that according to my system.



On Sun, Sep 12, 2010 at 5:09 PM, Justin A. Lemkul jalem...@vt.edu wrote:



 manoj singh wrote:

 Hi,

 I will be very thankful if someone can share a sample pbs script for
 running Gromacs-4.5.


 Contact your system admins.  There are far too many variables for such a
 setup for anyone here to send such information.

 -Justin

  Thanks!


 --
 

 Justin A. Lemkul
 Ph.D. Candidate
 ICTAS Doctoral Scholar
 MILES-IGERT Trainee
 Department of Biochemistry
 Virginia Tech
 Blacksburg, VA
 jalemkul[at]vt.edu | (540) 231-9080
 http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

 
 --
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Re: [gmx-users] PBS script

2010-09-12 Thread Justin A. Lemkul



manoj singh wrote:

Thanks for the reply!

I will be very thankful if you can send me whatever you have.

I will change that according to my system.



If you know enough to make changes, then you probably know enough to get up and 
running.  A Google search for example PBS script turns up nearly 4 million 
results, the first of which contains much of the necessary basic information.


-Justin




On Sun, Sep 12, 2010 at 5:09 PM, Justin A. Lemkul jalem...@vt.edu 
mailto:jalem...@vt.edu wrote:




manoj singh wrote:

Hi,

I will be very thankful if someone can share a sample pbs script
for running Gromacs-4.5.


Contact your system admins.  There are far too many variables for
such a setup for anyone here to send such information.

-Justin

Thanks!


-- 



Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu http://vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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--


Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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Re: [gmx-users] PBS script

2010-09-12 Thread manoj singh
Thanks for reminding me the existence of Google.
It must be hard to copy and paste few lines of the PBS script than
advertising the Google.

On Sun, Sep 12, 2010 at 5:23 PM, Justin A. Lemkul jalem...@vt.edu wrote:



 manoj singh wrote:

 Thanks for the reply!

 I will be very thankful if you can send me whatever you have.

 I will change that according to my system.


 If you know enough to make changes, then you probably know enough to get up
 and running.  A Google search for example PBS script turns up nearly 4
 million results, the first of which contains much of the necessary basic
 information.

 -Justin



 On Sun, Sep 12, 2010 at 5:09 PM, Justin A. Lemkul jalem...@vt.edumailto:
 jalem...@vt.edu wrote:



manoj singh wrote:

Hi,

I will be very thankful if someone can share a sample pbs script
for running Gromacs-4.5.


Contact your system admins.  There are far too many variables for
such a setup for anyone here to send such information.

-Justin

Thanks!


-- 

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu http://vt.edu | (540) 231-9080

http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


-- gmx-users mailing listgmx-users@gromacs.org
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 --
 

 Justin A. Lemkul
 Ph.D. Candidate
 ICTAS Doctoral Scholar
 MILES-IGERT Trainee
 Department of Biochemistry
 Virginia Tech
 Blacksburg, VA
 jalemkul[at]vt.edu | (540) 231-9080
 http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

 
 --
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Re: [gmx-users] PBS script

2010-09-12 Thread manoj singh
Google given a link to very good site in regard.

http://biowulf.nih.gov/apps/gromacs/

On Sun, Sep 12, 2010 at 5:23 PM, Justin A. Lemkul jalem...@vt.edu wrote:



 manoj singh wrote:

 Thanks for the reply!

 I will be very thankful if you can send me whatever you have.

 I will change that according to my system.


 If you know enough to make changes, then you probably know enough to get up
 and running.  A Google search for example PBS script turns up nearly 4
 million results, the first of which contains much of the necessary basic
 information.

 -Justin



 On Sun, Sep 12, 2010 at 5:09 PM, Justin A. Lemkul jalem...@vt.edumailto:
 jalem...@vt.edu wrote:



manoj singh wrote:

Hi,

I will be very thankful if someone can share a sample pbs script
for running Gromacs-4.5.


Contact your system admins.  There are far too many variables for
such a setup for anyone here to send such information.

-Justin

Thanks!


-- 

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu http://vt.edu | (540) 231-9080

http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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 --
 

 Justin A. Lemkul
 Ph.D. Candidate
 ICTAS Doctoral Scholar
 MILES-IGERT Trainee
 Department of Biochemistry
 Virginia Tech
 Blacksburg, VA
 jalemkul[at]vt.edu | (540) 231-9080
 http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

 
 --
 gmx-users mailing listgmx-users@gromacs.org
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[gmx-users] Re: Polyglycine PDB file.

2010-09-12 Thread C Johnson


 I guess your pdb file has been damaged by a text editor (Word?). PDB 
 files are fixed format, you can not add or remove spaces at will. You 
 could try clicking together a peptide in Pymol or so, or drop the prodrg 
 output in Notepad (if you're on Windows). On mac or linux it should be 
 straightforward with text editors.


I copied the PRODRG PDB into vim, changed HETATM to ATOM and DRG to GLY and 
renumbered the residues.  I really don't understand what I could have done 
wrong.  Can you get the file to convert with pdb2gmx?
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Re: [gmx-users] Re: Polyglycine PDB file.

2010-09-12 Thread Justin A. Lemkul



C Johnson wrote:


  I guess your pdb file has been damaged by a text editor (Word?). PDB
  files are fixed format, you can not add or remove spaces at will. You
  could try clicking together a peptide in Pymol or so, or drop the prodrg
  output in Notepad (if you're on Windows). On mac or linux it should be
  straightforward with text editors.


I copied the PRODRG PDB into vim, changed HETATM to ATOM and DRG to GLY 
and renumbered the residues.  I really don't understand what I could 
have done wrong.  Can you get the file to convert with pdb2gmx?




If you simple replace HETATM with ATOM, i.e.:

:1,$s/HETATM/ATOM/

you shift all columns left by two characters.  This is probably why, instead of 
reading GLY, pdb2gmx is reading Y only.  The proper replacement would be:


:1,$s/HETATM/ATOM  /

Note the two trailing spaces after ATOM.

-Justin

--


Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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[gmx-users] PBS script

2010-09-12 Thread chris . neale

Manoj,

to suggest that Justin is being lazy would be to ignore the hundreds,  
possibly thousands, of helpful posts that he has made on the gromacs  
mailing list to assist users like yourself free of charge.


In fact, Justin was probably helping you more than you have realized  
by pointing out that you can access some of this information in places  
other than the gromacs mailing list, and yes, google is one of those  
places.


Chris.

-- original message --

Thanks for reminding me the existence of Google.
It must be hard to copy and paste few lines of the PBS script than
advertising the Google.

On Sun, Sep 12, 2010 at 5:23 PM, Justin A. Lemkul jalemkul at vt.edu wrote:




manoj singh wrote:


Thanks for the reply!

I will be very thankful if you can send me whatever you have.

I will change that according to my system.



If you know enough to make changes, then you probably know enough to get up
and running.  A Google search for example PBS script turns up nearly 4
million results, the first of which contains much of the necessary basic
information.

-Justin



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Re: [gmx-users] PBS script

2010-09-12 Thread KS Rotondi

it must be hard to do your own research
On Sep 12, 2010, at 5:52 PM, manoj singh wrote:


Thanks for reminding me the existence of Google.
It must be hard to copy and paste few lines of the PBS script than  
advertising the Google.


On Sun, Sep 12, 2010 at 5:23 PM, Justin A. Lemkul jalem...@vt.edu  
wrote:



manoj singh wrote:
Thanks for the reply!

I will be very thankful if you can send me whatever you have.

I will change that according to my system.


If you know enough to make changes, then you probably know enough to  
get up and running.  A Google search for example PBS script turns  
up nearly 4 million results, the first of which contains much of the  
necessary basic information.


-Justin



On Sun, Sep 12, 2010 at 5:09 PM, Justin A. Lemkul jalem...@vt.edu mailto:jalem...@vt.edu 
 wrote:




   manoj singh wrote:

   Hi,

   I will be very thankful if someone can share a sample pbs  
script

   for running Gromacs-4.5.


   Contact your system admins.  There are far too many variables for
   such a setup for anyone here to send such information.

   -Justin

   Thanks!


   -- 

   Justin A. Lemkul
   Ph.D. Candidate
   ICTAS Doctoral Scholar
   MILES-IGERT Trainee
   Department of Biochemistry
   Virginia Tech
   Blacksburg, VA
   jalemkul[at]vt.edu http://vt.edu | (540) 231-9080

   http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

   
   -- gmx-users mailing listgmx-users@gromacs.org
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   http://lists.gromacs.org/mailman/listinfo/gmx-users
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--


Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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[gmx-users] Re: Re: Polyglycine PDB file.

2010-09-12 Thread C Johnson



 If you simple replace HETATM with ATOM, i.e.:
 
 :1,$s/HETATM/ATOM/
 
 you shift all columns left by two characters.  This is probably why, instead 
 of 
 reading GLY, pdb2gmx is reading Y only.  The proper replacement would be:
 
 :1,$s/HETATM/ATOM  /
 
 Note the two trailing spaces after ATOM.
 
 -Justin

Justin, adding the two spaces did the job.  Thanks
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Re: [gmx-users] charmm to gromacs nonbonded parameters after conversion

2010-09-12 Thread Mark Abraham


- Original Message -
From: ABEL Stephane 175950 stephane.a...@cea.fr
Date: Monday, September 13, 2010 2:59
Subject: [gmx-users] charmm to gromacs nonbonded parameters after conversion
To: gmx-users@gromacs.org

 Hi GMX users,
  
 I would like to perform MD with new developped CHARMM parameters 
 in GROMACS. Since these parameters are new, they are not 
 presents in the ffcharm*.itp files  given in the of 
 charmm27.ff in the latest GMX distribution. So I have already 
 made the conversions for the bonded parameters. In case of the 
 nonbonded parameters, I have added the LJ values for the new 
 atom types at the end of the  NONBONDED section of a 
 par_all_27_lipid.prm file downloaded from the CHARMM website. 
 To convert the LJ values in GROMACS format, I used the perl 
 script of M. Abraham :  convert_charmm_to_gromacs.pl 
 (v.1.3) as follow : 
  
 perl convert_charmm_to_gromacs.pl  par_all27_lipid.prm
  
 I obtain the ffcharmm.itp and ffcharmmnb.itp files as expected. 
 In the ffcharmmnb.itp the [ atomtypes ] section is present but 
 not the [ pairtypes ] section. Moreover the values in the  
 [ atomtypes ]  are different compared to same file given in 
 latest GMX distrib (see below). Why these differences ?
 - My ffcharmmnb.itp file 
 [ atomtypes ]
 ;name mass charge 
 ptype c6   c12
 
  CTL1 12.011000   0.0 A -
 0.001485 -6.588e-06 ; -0.000252 -3.793e-07
  CTL2 12.011000   0.0 A -
 0.001978 -4.173e-06 ; -0.000252 -3.793e-07
  CTL3 12.011000   0.0 A -
 0.003011 -6.944e-06 ; -0.000252 -3.793e-07
  CTL5 12.011000   0.0 A -
 0.003274 -8.007e-06 ; -0.000252 -3.793e-07
  CEL1 12.011000   0.0 A -
 0.003035 -8.095e-06
 
 -- GROMACS 4.5.1  ffcharmmnb.itp
 
 [ atomtypes ]
 ;name at.num mass charge ptype sigma epsilon
 
 CTL1 6 12.01100 0.14 A 0.405358916754 0.08368 
 CTL2 6 12.01100 0.05 A 0.358141284692 0.234304
 CTL3 6 12.01100 -0.27 A 0.363486677001 0.326352 
 CTL5 6 12.01100 -0.35 A 0.367050271874 0.33472
 CEL1 6 12.01100 -0.15 A 0.372395664183 0.284512 
 .
 Thank in advance for your halp 

As the column headings note, the GROMACS 4.5 CHARMM27 uses sigma-epsilon VDW 
parameters, and my script converted to c6-c12 parameters. As you will see in 
the appropriate equations in chapter 3 or 4 of the manual, such numbers will be 
wildly different, but should produce the same energies and forces.

Mark

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Re: [gmx-users] PBS script

2010-09-12 Thread KS Rotondi
I apologize to all for this, as I meant it to be a single reply; but  
as someone who has quietly watched the soon Dr. Lemkul bust his chops  
providing first class advice/assistance to any and all, usually w/in  
15 min, everyday for years, I could not abide someone suggesting less  
than complete commitment to help on Justin's part.


KSR

On Sep 12, 2010, at 6:27 PM, KS Rotondi wrote:


it must be hard to do your own research

On Sep 12, 2010, at 5:52 PM, manoj singh wrote:


Thanks for reminding me the existence of Google.
It must be hard to copy and paste few lines of the PBS script than  
advertising the Google.


On Sun, Sep 12, 2010 at 5:23 PM, Justin A. Lemkul jalem...@vt.edu  
wrote:



manoj singh wrote:
Thanks for the reply!

I will be very thankful if you can send me whatever you have.

I will change that according to my system.


If you know enough to make changes, then you probably know enough  
to get up and running.  A Google search for example PBS script  
turns up nearly 4 million results, the first of which contains much  
of the necessary basic information.


-Justin



On Sun, Sep 12, 2010 at 5:09 PM, Justin A. Lemkul jalem...@vt.edu mailto:jalem...@vt.edu 
 wrote:




   manoj singh wrote:

   Hi,

   I will be very thankful if someone can share a sample pbs  
script

   for running Gromacs-4.5.


   Contact your system admins.  There are far too many variables for
   such a setup for anyone here to send such information.

   -Justin

   Thanks!


   -- 

   Justin A. Lemkul
   Ph.D. Candidate
   ICTAS Doctoral Scholar
   MILES-IGERT Trainee
   Department of Biochemistry
   Virginia Tech
   Blacksburg, VA
   jalemkul[at]vt.edu http://vt.edu | (540) 231-9080

   http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

   
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--


Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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Re: [gmx-users] PBS script

2010-09-12 Thread manoj singh
:)

I am basically a Charmm and Amber user and I have used Gromacs 3.X coupe of
years ago. Now, for some reason I need to use Gromacs-4.x again. My old PBS
script is not working anymore for this newer version for Gromacs. I just
wanted to see if there is anything  special required for the newer version
for Gromacs and that is way I wanted to see a working script.

Sincerely,

On Sun, Sep 12, 2010 at 7:27 PM, KS Rotondi k...@chemistry.umass.edu wrote:

 I apologize to all for this, as I meant it to be a single reply; but as
 someone who has quietly watched the soon Dr. Lemkul bust his chops providing
 first class advice/assistance to any and all, usually w/in 15 min, everyday
 for years, I could not abide someone suggesting less than complete
 commitment to help on Justin's part.

 KSR

 On Sep 12, 2010, at 6:27 PM, KS Rotondi wrote:

 it must be hard to do your own research

 On Sep 12, 2010, at 5:52 PM, manoj singh wrote:

 Thanks for reminding me the existence of Google.
 It must be hard to copy and paste few lines of the PBS script than
 advertising the Google.

 On Sun, Sep 12, 2010 at 5:23 PM, Justin A. Lemkul jalem...@vt.edu wrote:



 manoj singh wrote:

 Thanks for the reply!

 I will be very thankful if you can send me whatever you have.

 I will change that according to my system.


 If you know enough to make changes, then you probably know enough to get
 up and running.  A Google search for example PBS script turns up nearly 4
 million results, the first of which contains much of the necessary basic
 information.

 -Justin



 On Sun, Sep 12, 2010 at 5:09 PM, Justin A. Lemkul jalem...@vt.edumailto:
 jalem...@vt.edu wrote:



manoj singh wrote:

Hi,

I will be very thankful if someone can share a sample pbs script
for running Gromacs-4.5.


Contact your system admins.  There are far too many variables for
such a setup for anyone here to send such information.

-Justin

Thanks!


-- 

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu http://vt.edu | (540) 231-9080

http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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Can't post? Read http://www.gromacs.org/Support/Mailing_Lists



 --
 

 Justin A. Lemkul
 Ph.D. Candidate
 ICTAS Doctoral Scholar
 MILES-IGERT Trainee
 Department of Biochemistry
 Virginia Tech
 Blacksburg, VA
 jalemkul[at]vt.edu | (540) 231-9080
 http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

 
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Re: [gmx-users] PBS script

2010-09-12 Thread Mark Abraham


- Original Message -
From: manoj singh mks.am...@gmail.com
Date: Monday, September 13, 2010 11:17
Subject: Re: [gmx-users] PBS script
To: Discussion list for GROMACS users gmx-users@gromacs.org

 :)
 
 I am basically a Charmm and Amber user and I have used Gromacs 3.X coupe of 
 years ago. Now, for some reason I need to use Gromacs-4.x again. My old PBS 
 script is not working anymore for this newer version for Gromacs. I just 
 wanted to see if there is anything  special required for the newer version 
 for Gromacs and that is way I wanted to see a working script.  

OK, that's a bit different from someone wanting a script for the PBS side of 
things :-) The use of checkpoint files for restarts and no longer needing 
grompp -np for parallel runs are the two major changes. Search the GROMACS 
webpage for more discussion here.

Mark

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Re: [gmx-users] PBS script

2010-09-12 Thread manoj singh
Hi Chris,


Sorry if I have been rude is my response.

I am new to the Gromacs-4.0. I just thought if some one can not give
positive response to the query, that person should not be responding as this
prohibits the further response to the topic.

Again, thanks for your mail and sorry for my any irresponsible post.

Manoj

On Sun, Sep 12, 2010 at 6:25 PM, chris.ne...@utoronto.ca wrote:

 Manoj,

 to suggest that Justin is being lazy would be to ignore the hundreds,
 possibly thousands, of helpful posts that he has made on the gromacs mailing
 list to assist users like yourself free of charge.

 In fact, Justin was probably helping you more than you have realized by
 pointing out that you can access some of this information in places other
 than the gromacs mailing list, and yes, google is one of those places.

 Chris.

 -- original message --

 Thanks for reminding me the existence of Google.
 It must be hard to copy and paste few lines of the PBS script than
 advertising the Google.

 On Sun, Sep 12, 2010 at 5:23 PM, Justin A. Lemkul jalemkul at vt.edu
 wrote:



 manoj singh wrote:

  Thanks for the reply!

 I will be very thankful if you can send me whatever you have.

 I will change that according to my system.


  If you know enough to make changes, then you probably know enough to get
 up
 and running.  A Google search for example PBS script turns up nearly 4
 million results, the first of which contains much of the necessary basic
 information.

 -Justin



 --
 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 thewww interface
 or send it to gmx-users-requ...@gromacs.org.
 Can't post? Read http://www.gromacs.org/Support/Mailing_Lists

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Re: [gmx-users] PBS script

2010-09-12 Thread Justin A. Lemkul



manoj singh wrote:

Hi Chris,


Sorry if I have been rude is my response.

I am new to the Gromacs-4.0. I just thought if some one can not give 
positive response to the query, that person should not be responding as 
this prohibits the further response to the topic.




There are no such rules here.  Everyone is welcome to comment if they have 
insight or tips.  My response was also not what I would call not positive, 
rather an effort to genuinely help point you in the right direction.  In return, 
I received an insult.  In general, no one on this list will spoon-feed someone a 
procedure (especially when it seems that the individual has not done their 
homework) as it simply requires too much time for a simple mailing list.


Let's turn this situation into a learning experience.

Your first post suggested that you knew nothing about PBS or how to use Gromacs. 
 Based on your later posts, this is obviously not the case.  To get an 
effective response, you should do the following:


1. Post the script you're trying to use.
2. Post error message you're getting (if any), or otherwise describe (or better 
yet, cut-and-paste) relevant output from your queuing software that indicates 
the problem.
3. Understand that if someone suggests and additional resource, don't take it as 
dismissive.  You may simply be asking the wrong question, or perhaps asking the 
right question in the wrong place.  If I simply post the PBS script for use with 
my cluster, then some unsuspecting user will probably later on stumble across 
that post, take it out of context, and then blindly assume that it is the only 
correct way to use Gromacs, and we perpetuate a cycle of confusion.


For a few more tips:

http://www.gromacs.org/Support/Mailing_Lists#Mailing_List_Etiquette

-Justin


Again, thanks for your mail and sorry for my any irresponsible post.

Manoj

On Sun, Sep 12, 2010 at 6:25 PM, chris.ne...@utoronto.ca 
mailto:chris.ne...@utoronto.ca wrote:


Manoj,

to suggest that Justin is being lazy would be to ignore the
hundreds, possibly thousands, of helpful posts that he has made on
the gromacs mailing list to assist users like yourself free of charge.

In fact, Justin was probably helping you more than you have realized
by pointing out that you can access some of this information in
places other than the gromacs mailing list, and yes, google is one
of those places.

Chris.

-- original message --

Thanks for reminding me the existence of Google.
It must be hard to copy and paste few lines of the PBS script than
advertising the Google.

On Sun, Sep 12, 2010 at 5:23 PM, Justin A. Lemkul jalemkul at
vt.edu http://vt.edu wrote:



manoj singh wrote:

Thanks for the reply!

I will be very thankful if you can send me whatever you have.

I will change that according to my system.


If you know enough to make changes, then you probably know
enough to get up
and running.  A Google search for example PBS script turns up
nearly 4
million results, the first of which contains much of the
necessary basic
information.

-Justin



-- 
gmx-users mailing listgmx-users@gromacs.org

mailto:gmx-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 thewww
interface or send it to gmx-users-requ...@gromacs.org
mailto:gmx-users-requ...@gromacs.org.
Can't post? Read http://www.gromacs.org/Support/Mailing_Lists




--


Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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Re: [gmx-users] PBS script

2010-09-12 Thread manoj singh
Justin,

Sorry if you felt insult.

I was having trouble running the gromacs at that point and therefore turned
to mailing in order to get some help. This topic seems to getting
unnecessary attention of many, which I certainly did not want.

I later found problem with mpdboot etc ( since this was compiled with
mpich2), which I hope to fix tomorrow.

So, please conclude this topic here.

Sincerely,

On Sun, Sep 12, 2010 at 10:33 PM, Justin A. Lemkul jalem...@vt.edu wrote:



 manoj singh wrote:

 Hi Chris,


 Sorry if I have been rude is my response.

 I am new to the Gromacs-4.0. I just thought if some one can not give
 positive response to the query, that person should not be responding as this
 prohibits the further response to the topic.


 There are no such rules here.  Everyone is welcome to comment if they have
 insight or tips.  My response was also not what I would call not positive,
 rather an effort to genuinely help point you in the right direction.  In
 return, I received an insult.  In general, no one on this list will
 spoon-feed someone a procedure (especially when it seems that the individual
 has not done their homework) as it simply requires too much time for a
 simple mailing list.
 Let's turn this situation into a learning experience.

 Your first post suggested that you knew nothing about PBS or how to use
 Gromacs.  Based on your later posts, this is obviously not the case.  To get
 an effective response, you should do the following:

 1. Post the script you're trying to use.
 2. Post error message you're getting (if any), or otherwise describe (or
 better yet, cut-and-paste) relevant output from your queuing software that
 indicates the problem.
 3. Understand that if someone suggests and additional resource, don't take
 it as dismissive.  You may simply be asking the wrong question, or perhaps
 asking the right question in the wrong place.  If I simply post the PBS
 script for use with my cluster, then some unsuspecting user will probably
 later on stumble across that post, take it out of context, and then blindly
 assume that it is the only correct way to use Gromacs, and we perpetuate a
 cycle of confusion.

 For a few more tips:

 http://www.gromacs.org/Support/Mailing_Lists#Mailing_List_Etiquette

 -Justin

  Again, thanks for your mail and sorry for my any irresponsible post.

 Manoj

 On Sun, Sep 12, 2010 at 6:25 PM, chris.ne...@utoronto.ca mailto:
 chris.ne...@utoronto.ca wrote:

Manoj,

to suggest that Justin is being lazy would be to ignore the
hundreds, possibly thousands, of helpful posts that he has made on
the gromacs mailing list to assist users like yourself free of charge.

In fact, Justin was probably helping you more than you have realized
by pointing out that you can access some of this information in
places other than the gromacs mailing list, and yes, google is one
of those places.

Chris.

-- original message --

Thanks for reminding me the existence of Google.
It must be hard to copy and paste few lines of the PBS script than
advertising the Google.

On Sun, Sep 12, 2010 at 5:23 PM, Justin A. Lemkul jalemkul at
vt.edu http://vt.edu wrote:



manoj singh wrote:

Thanks for the reply!

I will be very thankful if you can send me whatever you have.

I will change that according to my system.


If you know enough to make changes, then you probably know
enough to get up
and running.  A Google search for example PBS script turns up
nearly 4
million results, the first of which contains much of the
necessary basic
information.

-Justin



-- gmx-users mailing listgmx-users@gromacs.org
mailto:gmx-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 thewww
interface or send it to gmx-users-requ...@gromacs.org
mailto:gmx-users-requ...@gromacs.org.

Can't post? Read http://www.gromacs.org/Support/Mailing_Lists



 --
 

 Justin A. Lemkul
 Ph.D. Candidate
 ICTAS Doctoral Scholar
 MILES-IGERT Trainee
 Department of Biochemistry
 Virginia Tech
 Blacksburg, VA
 jalemkul[at]vt.edu | (540) 231-9080
 http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

 

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Re: [gmx-users] Re: Polyglycine PDB file.

2010-09-12 Thread David van der Spoel

On 2010-09-13 00.06, C Johnson wrote:


  I guess your pdb file has been damaged by a text editor (Word?). PDB
  files are fixed format, you can not add or remove spaces at will. You
  could try clicking together a peptide in Pymol or so, or drop the prodrg
  output in Notepad (if you're on Windows). On mac or linux it should be
  straightforward with text editors.


I copied the PRODRG PDB into vim, changed HETATM to ATOM and DRG to GLY
and renumbered the residues. I really don't understand what I could have
done wrong. Can you get the file to convert with pdb2gmx?

If you change HETATM into ATOM   maintaining the spacing it should 
work.


--
David van der Spoel, Ph.D., Professor of Biology
Dept. of Cell  Molec. Biol., Uppsala University.
Box 596, 75124 Uppsala, Sweden. Phone:  +46184714205.
sp...@xray.bmc.uu.sehttp://folding.bmc.uu.se
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