Re: [gmx-users] How can i know if the protein swell during the MD simulation?

2009-05-18 Thread Bhanu
How about checking radius of gyration???

2009/5/18 Tsjerk Wassenaar 

> Hi,
>
> Well, I think 'swelling' is unambiguously, though roughly, defined as
> 'growing larger', which suggests that you'd have to look for an
> increase in volume. But how to do that, how to define the volume of
> the protein is still a matter of setting your criteria and finding the
> right tools to assess these. Not the simplest thing...
>
> Cheers,
>
> Tsjerk
>
> On Mon, May 18, 2009 at 12:22 AM, Justin A. Lemkul 
> wrote:
> >
> >
> > Chih-Ying Lin wrote:
> >>
> >> HI
> >> How can i know if the protein swell during the MD simulation?
> >>
> >> What are those indications to "see" the swollen protein?
> >>
> >
> > How do you define the term "swelling?"  This again sounds like another
> issue
> > on defining your own criteria for the expected behavior and reading the
> > manual about available analysis tools.
> >
> > -Justin
> >
> >> Thank you
> >> Lin
> >>
> >>
> >> 
> >>
> >> ___
> >> gmx-users mailing listgmx-users@gromacs.org
> >> http://www.gromacs.org/mailman/listinfo/gmx-users
> >> Please search the archive at http://www.gromacs.org/search before
> posting!
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> >> Can't post? Read http://www.gromacs.org/mailing_lists/users.php
> >
> > --
> > 
> >
> > Justin A. Lemkul
> > Ph.D. Candidate
> > ICTAS Doctoral Scholar
> > 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
> > http://www.gromacs.org/mailman/listinfo/gmx-users
> > Please search the archive at http://www.gromacs.org/search before
> posting!
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> interface
> > or send it to gmx-users-requ...@gromacs.org.
> > Can't post? Read http://www.gromacs.org/mailing_lists/users.php
> >
>
>
>
> --
> Tsjerk A. Wassenaar, Ph.D.
> Junior UD (post-doc)
> Biomolecular NMR, Bijvoet Center
> Utrecht University
> Padualaan 8
> 3584 CH Utrecht
> The Netherlands
> P: +31-30-2539931
> F: +31-30-2537623
>  ___
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>



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[gmx-users] Failing installation with --enable-mpi option

2009-05-20 Thread Bhanu
I tried to install Gromacs on my Core2Quad pc with the command

 ./configure --enable-mpi --disable-nice --program-suffix="_mpi"

it is showing the following error result:

[sand...@bhanu gromacs-4.0.3]$ ./configure --enable-mpi --disable-nice --program
-suffix="_mpi"
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
/bin/sh: /home/sandaka/Desktop/all: No such file or directory
configure: WARNING: `missing' script is too old or missing
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking how to create a ustar tar archive... gnutar
checking for cc... cc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether cc accepts -g... yes
checking for cc option to accept ISO C89... none needed
checking for style of include used by make... GNU
checking dependency style of cc... gcc3
checking dependency style of cc... gcc3
checking for mpxlc... no
checking for mpicc... mpicc
checking whether the MPI cc command works... yes
checking for catamount... no
checking how to run the C preprocessor... mpicc -E
checking whether mpicc accepts -O3... yes
checking whether mpicc accepts -funroll-all-loops... yes
checking whether mpicc accepts  -O3 -fomit-frame-pointer
-finline-functions -Wall -Wno-unused -funroll-all-loops... yes
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... no
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking whether byte ordering is bigendian... no
checking for int... yes
checking size of int... configure: error: cannot compute sizeof (int)
See `config.log' for more details.

Am attaching the config.log file herein. I've Openmpi and fftw already
installed and in the path.. Couldn't understand what is the error!




-- 
Never lose hope on the person you love they maybe the reason your
heart aches today... but they are definitely the reason your heart
beats : COPIED FROM GMAIL CUSTOM MSGS.
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by gromacs configure 4.0.3, which was
generated by GNU Autoconf 2.61.  Invocation command line was

  $ ./configure --enable-mpi --disable-nice --program-suffix=_mpi

## - ##
## Platform. ##
## - ##

hostname = bhanu.prakash
uname -m = i686
uname -r = 2.6.23.1-42.fc8
uname -s = Linux
uname -v = #1 SMP Tue Oct 30 13:55:12 EDT 2007

/usr/bin/uname -p = unknown
/bin/uname -X = unknown

/bin/arch  = i686
/usr/bin/arch -k   = unknown
/usr/convex/getsysinfo = unknown
/usr/bin/hostinfo  = unknown
/bin/machine   = unknown
/usr/bin/oslevel   = unknown
/bin/universe  = unknown

PATH: /usr/lib/qt-3.3/bin
PATH: /usr/kerberos/bin
PATH: /usr/lib/ccache
PATH: /usr/local/bin
PATH: /usr/bin
PATH: /bin
PATH: /usr/X11R6/bin
PATH: /home/sandaka/bin


## --- ##
## Core tests. ##
## --- ##

configure:2087: checking build system type
configure:2105: result: i686-pc-linux-gnu
configure:2127: checking host system type
configure:2142: result: i686-pc-linux-gnu
configure:2180: checking for a BSD-compatible install
configure:2236: result: /usr/bin/install -c
configure:2247: checking whether build environment is sane
configure:2290: result: yes
configure:2314: WARNING: `missing' script is too old or missing
configure:2318: checking for a thread-safe mkdir -p
configure:2357: result: /bin/mkdir -p
configure:2370: checking for gawk
configure:2386: found /usr/bin/gawk
configure:2397: result: gawk
configure:2408: checking whether make sets $(MAKE)
configure:2429: result: yes
configure:2612: checking how to create a ustar tar archive
configure:2625: tar --version
tar (GNU tar) 1.17
Copyright (C) 2007 Free Software Foundation, Inc.
License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by John Gilmore and Jay Fenlason.
configure:2628: $? = 0
configure:2668: tardir=conftest.dir && eval tar --format=ustar -chf - "$tardir" >conftest.tar
configure:2671: $? = 0
configure:2675: tar -xf - &5
cc (GCC) 4.1.2 20070925 (Red Hat 4.1.2-33)
Copyright (

Re: [gmx-users] Failing installation with --enable-mpi option

2009-05-20 Thread Bhanu
Thanks Justin, will try your suggestion..

2009/5/20 Justin A. Lemkul :
>
>
> Bhanu wrote:
>>
>> I tried to install Gromacs on my Core2Quad pc with the command
>>
>>  ./configure --enable-mpi --disable-nice --program-suffix="_mpi"
>>
>> it is showing the following error result:
>>
>> [sand...@bhanu gromacs-4.0.3]$ ./configure --enable-mpi --disable-nice
>> --program
>> -suffix="_mpi"
>> checking build system type... i686-pc-linux-gnu
>> checking host system type... i686-pc-linux-gnu
>> checking for a BSD-compatible install... /usr/bin/install -c
>> checking whether build environment is sane... yes
>> /bin/sh: /home/sandaka/Desktop/all: No such file or directory
>> configure: WARNING: `missing' script is too old or missing
>> checking for a thread-safe mkdir -p... /bin/mkdir -p
>> checking for gawk... gawk
>> checking whether make sets $(MAKE)... yes
>> checking how to create a ustar tar archive... gnutar
>> checking for cc... cc
>> checking for C compiler default output file name... a.out
>> checking whether the C compiler works... yes
>> checking whether we are cross compiling... no
>> checking for suffix of executables...
>> checking for suffix of object files... o
>> checking whether we are using the GNU C compiler... yes
>> checking whether cc accepts -g... yes
>> checking for cc option to accept ISO C89... none needed
>> checking for style of include used by make... GNU
>> checking dependency style of cc... gcc3
>> checking dependency style of cc... gcc3
>> checking for mpxlc... no
>> checking for mpicc... mpicc
>> checking whether the MPI cc command works... yes
>> checking for catamount... no
>> checking how to run the C preprocessor... mpicc -E
>> checking whether mpicc accepts -O3... yes
>> checking whether mpicc accepts -funroll-all-loops... yes
>> checking whether mpicc accepts  -O3 -fomit-frame-pointer
>> -finline-functions -Wall -Wno-unused -funroll-all-loops... yes
>> checking for grep that handles long lines and -e... /bin/grep
>> checking for egrep... /bin/grep -E
>> checking for ANSI C header files... no
>> checking for sys/types.h... yes
>> checking for sys/stat.h... yes
>> checking for stdlib.h... yes
>> checking for string.h... yes
>> checking for memory.h... yes
>> checking for strings.h... yes
>> checking for inttypes.h... yes
>> checking for stdint.h... yes
>> checking for unistd.h... yes
>> checking whether byte ordering is bigendian... no
>> checking for int... yes
>> checking size of int... configure: error: cannot compute sizeof (int)
>> See `config.log' for more details.
>>
>> Am attaching the config.log file herein. I've Openmpi and fftw already
>> installed and in the path.. Couldn't understand what is the error!
>>
>>
>
> Have a look at this thread:
>
> http://www.gromacs.org/pipermail/gmx-users/2008-November/037935.html
>
> -Justin
>
>>
>>
>>
>>
>> 
>>
>> ___
>> gmx-users mailing list    gmx-us...@gromacs.org
>> http://www.gromacs.org/mailman/listinfo/gmx-users
>> Please search the archive at http://www.gromacs.org/search before posting!
>> Please don't post (un)subscribe requests to the list. Use the www
>> interface or send it to gmx-users-requ...@gromacs.org.
>> Can't post? Read http://www.gromacs.org/mailing_lists/users.php
>
> --
> 
>
> Justin A. Lemkul
> Ph.D. Candidate
> ICTAS Doctoral Scholar
> 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 list    gmx-us...@gromacs.org
> http://www.gromacs.org/mailman/listinfo/gmx-users
> Please search the archive at http://www.gromacs.org/search before posting!
> Please don't post (un)subscribe requests to the list. Use the www interface
> or send it to gmx-users-requ...@gromacs.org.
> Can't post? Read http://www.gromacs.org/mailing_lists/users.php
>



-- 
Never lose hope on the person you love they maybe the reason your
heart aches today... but they are definitely the reason your heart
beats : COPIED FROM GMAIL CUSTOM MSGS.
___
gmx-users mailing listgmx-users@gromacs.org
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Re: [gmx-users] Failing installation with --enable-mpi option

2009-05-20 Thread Bhanu
Dear Justin, could you please write what environmental changes you
made to MPICC.. I tried to alter the profile, but it is rejecting all
of them..

Bhanu.

On 20/05/2009, Bhanu  wrote:
> Thanks Justin, will try your suggestion..
>
> 2009/5/20 Justin A. Lemkul :
> >
> >
> > Bhanu wrote:
> >>
> >> I tried to install Gromacs on my Core2Quad pc with the command
> >>
> >>  ./configure --enable-mpi --disable-nice --program-suffix="_mpi"
> >>
> >> it is showing the following error result:
> >>
> >> [sand...@bhanu gromacs-4.0.3]$ ./configure --enable-mpi --disable-nice
> >> --program
> >> -suffix="_mpi"
> >> checking build system type... i686-pc-linux-gnu
> >> checking host system type... i686-pc-linux-gnu
> >> checking for a BSD-compatible install... /usr/bin/install -c
> >> checking whether build environment is sane... yes
> >> /bin/sh: /home/sandaka/Desktop/all: No such file or directory
> >> configure: WARNING: `missing' script is too old or missing
> >> checking for a thread-safe mkdir -p... /bin/mkdir -p
> >> checking for gawk... gawk
> >> checking whether make sets $(MAKE)... yes
> >> checking how to create a ustar tar archive... gnutar
> >> checking for cc... cc
> >> checking for C compiler default output file name... a.out
> >> checking whether the C compiler works... yes
> >> checking whether we are cross compiling... no
> >> checking for suffix of executables...
> >> checking for suffix of object files... o
> >> checking whether we are using the GNU C compiler... yes
> >> checking whether cc accepts -g... yes
> >> checking for cc option to accept ISO C89... none needed
> >> checking for style of include used by make... GNU
> >> checking dependency style of cc... gcc3
> >> checking dependency style of cc... gcc3
> >> checking for mpxlc... no
> >> checking for mpicc... mpicc
> >> checking whether the MPI cc command works... yes
> >> checking for catamount... no
> >> checking how to run the C preprocessor... mpicc -E
> >> checking whether mpicc accepts -O3... yes
> >> checking whether mpicc accepts -funroll-all-loops... yes
> >> checking whether mpicc accepts  -O3 -fomit-frame-pointer
> >> -finline-functions -Wall -Wno-unused -funroll-all-loops... yes
> >> checking for grep that handles long lines and -e... /bin/grep
> >> checking for egrep... /bin/grep -E
> >> checking for ANSI C header files... no
> >> checking for sys/types.h... yes
> >> checking for sys/stat.h... yes
> >> checking for stdlib.h... yes
> >> checking for string.h... yes
> >> checking for memory.h... yes
> >> checking for strings.h... yes
> >> checking for inttypes.h... yes
> >> checking for stdint.h... yes
> >> checking for unistd.h... yes
> >> checking whether byte ordering is bigendian... no
> >> checking for int... yes
> >> checking size of int... configure: error: cannot compute sizeof (int)
> >> See `config.log' for more details.
> >>
> >> Am attaching the config.log file herein. I've Openmpi and fftw already
> >> installed and in the path.. Couldn't understand what is the error!
> >>
> >>
> >
> > Have a look at this thread:
> >
> > http://www.gromacs.org/pipermail/gmx-users/2008-November/037935.html
> >
> > -Justin
> >
> >>
> >>
> >>
> >>
> >> 
> >>
> >> ___
> >> gmx-users mailing listgmx-users@gromacs.org
> >> http://www.gromacs.org/mailman/listinfo/gmx-users
> >> Please search the archive at http://www.gromacs.org/search before posting!
> >> Please don't post (un)subscribe requests to the list. Use the www
> >> interface or send it to gmx-users-requ...@gromacs.org.
> >> Can't post? Read http://www.gromacs.org/mailing_lists/users.php
> >
> > --
> > 
> >
> > Justin A. Lemkul
> > Ph.D. Candidate
> > ICTAS Doctoral Scholar
> > 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 ma

[gmx-users] Strange error in DNA simulations..

2009-06-14 Thread Bhanu
Hi Group,
I've tried simulating a five bp dna. It has showed many atoms missing and
some extra atoms present in the pdb file. For pdb2gmx, I used -ignh and
-mising options. Later editconf_d, genbox_d, and genion_d steps went well.
Even grompp_d worked well. But when I issued the run command for mdrun_d,
the strange result is coming, repeatedly. I have installed lam-mpi and
running gromacs in double precision. The commands I have used are..

pdb2gmx_d -f fivedna.pdb -o dna.gro -p dna.top
editconf_d -f dna.gro -bt dodecahedron -c -d 1.0 -o boxdna.gro
genbox_d -cp boxdna.gro -cs spc216.gro -p dna.top -o solvateddna.gro

neutralized the system with genion_d and grompp_d, mdrun_d with -v and
-deffnm commands. Surprisigly, everytime, it is using only two cores of my
core2quad processor, delaying the output for all experiments. For this
experiment, here is the error report which I donot understand at all!

The error report is really frightening to me!!! Here it is!

[bh...@localhost doublestrand]$ gedit Testfile
[bh...@localhost doublestrand]$ mpirun N C Testfile
NNODES=2, MYRANK=1, HOSTNAME=localhost.localdomain
NNODES=2, MYRANK=0, HOSTNAME=localhost.localdomain
NODEID=1 argc=6
NODEID=0 argc=6
 :-)  G  R  O  M  A  C  S  (-:

   GRowing Old MAkes el Chrono Sweat

:-)  VERSION 4.0.3  (-:


  Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
   Copyright (c) 1991-2000, University of Groningen, The Netherlands.
 Copyright (c) 2001-2008, The GROMACS development team,
check out http://www.gromacs.org for more information.

 This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

  :-)  mdrun_d (double precision)  (-:

Option Filename  Type Description

  -s  bhanu.tpr  InputRun input file: tpr tpb tpa
  -o  bhanu.trr  Output   Full precision trajectory: trr trj cpt
  -x  bhanu.xtc  Output, Opt. Compressed trajectory (portable xdr
format)
-cpi  bhanu.cpt  Input, Opt.  Checkpoint file
-cpo  bhanu.cpt  Output, Opt. Checkpoint file
  -c  bhanu.gro  Output   Structure file: gro g96 pdb
  -e  bhanu.edr  Output   Energy file: edr ene
  -g  bhanu.log  Output   Log file
-dgdl bhanu.xvg  Output, Opt. xvgr/xmgr file
-fieldbhanu.xvg  Output, Opt. xvgr/xmgr file
-tablebhanu.xvg  Input, Opt.  xvgr/xmgr file
-tablep   bhanu.xvg  Input, Opt.  xvgr/xmgr file
-tableb   bhanu.xvg  Input, Opt.  xvgr/xmgr file
-rerunbhanu.xtc  Input, Opt.  Trajectory: xtc trr trj gro g96 pdb cpt
-tpi  bhanu.xvg  Output, Opt. xvgr/xmgr file
-tpid bhanu.xvg  Output, Opt. xvgr/xmgr file
 -ei  bhanu.edi  Input, Opt.  ED sampling input
 -eo  bhanu.edo  Output, Opt. ED sampling output
  -j  bhanu.gct  Input, Opt.  General coupling stuff
 -jo  bhanu.gct  Output, Opt. General coupling stuff
-ffoutbhanu.xvg  Output, Opt. xvgr/xmgr file
-devout   bhanu.xvg  Output, Opt. xvgr/xmgr file
-runavbhanu.xvg  Output, Opt. xvgr/xmgr file
 -px  bhanu.xvg  Output, Opt. xvgr/xmgr file
 -pf  bhanu.xvg  Output, Opt. xvgr/xmgr file
-mtx  bhanu.mtx  Output, Opt. Hessian matrix
 -dn  bhanu.ndx  Output, Opt. Index file

Option   Type   Value   Description
--
-[no]h   bool   no  Print help info and quit
-niceint0   Set the nicelevel
-deffnm  string bhanu   Set the default filename for all file options
-[no]xvgrbool   yes Add specific codes (legends etc.) in the output
xvg files for the xmgrace program
-[no]pd  bool   no  Use particle decompostion
-dd  vector 0 0 0   Domain decomposition grid, 0 is optimize
-npmeint-1  Number of separate nodes to be used for PME, -1
is guess
-ddorder enum   interleave  DD node order: interleave, pp_pme or
cartesian
-[no]ddcheck bool   yes Check for all bonded interactions with DD
-rdd real   0   The maximum distance for bonded interactions
with
DD (nm), 0 is determine from initial coordinates
-rconreal   0   Maximum distance for P-LINCS (nm), 0 is estimate
-dlb enum   autoDynamic load balancing (with DD): auto, no or
yes
-dds real   0.8 Minimum allowed dlb scaling of the DD cell size
-[no]sum bool   yes Sum the energies at every step
-[no]v   bool   yes Be loud and noisy
-[no]compact bool   yes Write a compact log file
-[no]seppot  bool   no  Write separate V and dVdl terms for

Re: [gmx-users] Strange error in DNA simulations..

2009-06-15 Thread Bhanu
On 15/06/2009, Mark Abraham  wrote:
>
>
> On 06/15/09, *Bhanu * wrote:
>
>  Hi Group,
> I've tried simulating a five bp dna. It has showed many atoms missing and
> some extra atoms present in the pdb file. For pdb2gmx, I used -ignh and
> -mising options. Later editconf_d, genbox_d, and genion_d steps went well.
> Even grompp_d worked well. But when I issued the run command for mdrun_d,
> the strange result is coming, repeatedly. I have installed lam-mpi and
> running gromacs in double precision. The commands I have used are..
>
> pdb2gmx_d -f fivedna.pdb -o dna.gro -p dna.top
> editconf_d -f dna.gro -bt dodecahedron -c -d 1.0 -o boxdna.gro
> genbox_d -cp boxdna.gro -cs spc216.gro -p dna.top -o solvateddna.gro
>
> neutralized the system with genion_d and grompp_d, mdrun_d with -v and
> -deffnm commands. Surprisigly, everytime, it is using only two cores of my
> core2quad processor, delaying the output for all experiments.
>
> So look up how to configure LAM-MPI to use more.
>

I am working on that.. but the real confusing thing, is why are DNA
simulations failing?? I have no clue.. and requesting for a suggestion!

  For this experiment, here is the error report which I donot understand at
> all!
>
> The error report is really frightening to me!!! Here it is!
>
>
> See http://oldwiki.gromacs.org/index.php/Errors#Range_Checking_error
>
> Mark
>
> ___
> gmx-users mailing listgmx-users@gromacs.org
> http://lists.gromacs.org/mailman/listinfo/gmx-users
> Please search the archive at http://www.gromacs.org/search before posting!
> Please don't post (un)subscribe requests to the list. Use the
> www interface or send it to gmx-users-requ...@gromacs.org.
> Can't post? Read http://www.gromacs.org/mailing_lists/users.php
>



-- 
Never lose hope on the person you love they maybe the reason your heart
aches today... but they are definitely the reason your heart beats :
COPIED FROM GMAIL CUSTOM MSGS.
___
gmx-users mailing listgmx-users@gromacs.org
http://lists.gromacs.org/mailman/listinfo/gmx-users
Please search the archive at http://www.gromacs.org/search before posting!
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Re: [gmx-users] Strange error in DNA simulations..

2009-06-15 Thread Bhanu
Hi, I didn't ignore your link, I was trying all things suggested in wiki..
Its the greed for more and more suggestions made me to type those..

Anyway, thanks for the link, buddy!


On 15/06/2009, Mark Abraham  wrote:
>
>
>
> On 06/15/09, *Bhanu * wrote:
>
>
>
> On 15/06/2009, Mark Abraham  wrote:
>>
>>
>> On 06/15/09, *Bhanu * wrote:
>>
>>  Hi Group,
>> I've tried simulating a five bp dna. It has showed many atoms missing and
>> some extra atoms present in the pdb file. For pdb2gmx, I used -ignh and
>> -mising options. Later editconf_d, genbox_d, and genion_d steps went well.
>> Even grompp_d worked well. But when I issued the run command for mdrun_d,
>> the strange result is coming, repeatedly. I have installed lam-mpi and
>> running gromacs in double precision. The commands I have used are..
>>
>> pdb2gmx_d -f fivedna.pdb -o dna.gro -p dna.top
>> editconf_d -f dna.gro -bt dodecahedron -c -d 1.0 -o boxdna.gro
>> genbox_d -cp boxdna.gro -cs spc216.gro -p dna.top -o solvateddna.gro
>>
>> neutralized the system with genion_d and grompp_d, mdrun_d with -v and
>> -deffnm commands. Surprisigly, everytime, it is using only two cores of my
>> core2quad processor, delaying the output for all experiments.
>>
>> So look up how to configure LAM-MPI to use more.
>>
>
>
> I am working on that.. but the real confusing thing, is why are DNA
> simulations failing?? I have no clue.. and requesting for a suggestion!
>
> I gave you a link to content that was likely to explain why your problem
> was occurring. If you appear to ignore it, then you won't be likely to get
> more :-)
>
> Mark
>
>
>
>
>>   For this experiment, here is the error report which I donot understand
>> at all!
>>
>> The error report is really frightening to me!!! Here it is!
>>
>>
>> See http://oldwiki.gromacs.org/index.php/Errors#Range_Checking_error
>>
>> Mark
>>
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>
>
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Re: [gmx-users] problem in dna-protein simulation

2009-06-16 Thread Bhanu
Edit your pdb as per ur rtp file / forcefield.

On 16/06/2009, Justin A. Lemkul  wrote:
>
>
>
> nitu sharma wrote:
>
>> Dear all,
>>
>>i am trying to simulation of dna-protein complex using
>> gromacs with amber port . I am using amber99 port with gromacs-4.0.3
>> version. I am facing problem in running pdb2gmx command .The error comes
>> like this-
>> ---
>> Program pdb2gmx, VERSION 4.0.3
>> Source code file: resall.c, line: 426
>>
>> Fatal error:
>> Residue 'T' not found in residue topology database
>>
>> Can anyone suggest me how  can I overcome this problem .
>>
>>
>
> http://oldwiki.gromacs.org/index.php/Errors#Residue_.27XXX.27_not_found_in_residue_topology_database
>
> -Justin
>
> Thanks a lot in advance.
>>
>> Nitu sharma
>> Jawaherlal Nehru University
>>
>>
>> 
>>
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>
> --
> 
>
> Justin A. Lemkul
> Ph.D. Candidate
> ICTAS Doctoral Scholar
> 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] Protein is moving out of box.

2008-06-26 Thread Bhanu
Hi all,
am new to Gromacs. I tried a 10 ps simulation with a protein and after the
run, the protein came out of the box.. is it good or bad? How can I keep the
protein in the box?
Waiting for ur reply.

Bhanu.

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Re: [gmx-users] protein/dmso simulation

2008-08-19 Thread Bhanu
Try "genbox -cp *.gro -ci dmso.gro -p *.top -o *.gro"
Gro file for dmso comes built-in with gromacs 3.3. As Justin has directed,
forcefields do matter.


On 19/08/2008, Justin A. Lemkul <[EMAIL PROTECTED]> wrote:
>
>
>
> prasun kumar wrote:
>
>> dear users
>> I am trying to run the simulation fo a protein/DMSO system,Its working
>> well till genbox but while running GROMPP I am gettin a fatal error,which is
>> atom type 'SD' not found.
>> SD is given in the gro & itp file of DMSO.
>> what should I do to overcome this problem
>> I have tried by replacing SD by S,but its of no use
>> I should generate a separate top file for DMSO  and then include it in the
>> topology file generated for protein
>> I tried to do this also using PDB2GMX command  but again I am gettin error
>> related to 'SD'
>>
>
> Which force field are you using?  If you look at the .rtp entry (if
> present), it will tell you the correct atomic nomenclature.  Otherwise, you
> have an inconsistency in the atomtypes definition in your topology.
>
> -Justin
>
>  please help me..
>> regards &thanx in advance
>>
>> --
>> PRASUN (ASHOKA)
>>
>>
>> 
>>
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> --
> 
>
> Justin A. Lemkul
> Graduate Research Assistant
> 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] Genion failing in parallel runs.

2008-08-26 Thread Bhanu
Hi,
I'm using Gromacs 3.3.3, installed with double precision. When I run genion
with this command:

genion_d -s *.tpr -o *.gro -g genion.log -pot pot.pdb -p *.top -neutral

the following error message was generated:


Program genion_d Version 3.3.3
sourcecode file: init.c, line 69

Fatal error:
run input file prakash.tpr was made for 32 nodes
while genion_d expected it to be for 1 node
--

System is "protein in water", dodecahedron box. Everything is fine till
energy minimisation. genion is failing.

Any clue??

Thanks.
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[gmx-users] DSSP and g_sas

2010-07-15 Thread Bhanu Prakash Sandaka
Which among DSSP and g_sas is better for calculating solvent accessible
surface area of proteins?
-- 
Bhanu Prakash.



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Re: [gmx-users] DSSP and g_sas

2010-07-15 Thread Bhanu Prakash Sandaka
Using DSSP we can also calcuate the surface area, though it doesn't allow
changes in probe diameter etc. it does calculate the surface area. I just
wish to know whether the performance of DSSP is comparable to g_sas?
Should it be used?
-- 
Bhanu Prakash,
BARC.

>   Shalom Bhanu,
>
> g_sas calculates solvent accessible surface
> DSSP find local secondary structure.
>
> So use g_sas for you calculation.
>
> Best,
> Itamar
>
>
>
> On 15/07/10 4:57 PM, Bhanu Prakash Sandaka wrote:
>> Which among DSSP and g_sas is better for calculating solvent accessible
>> surface area of proteins?
>
> --
>
>
> "In theory, there is no difference between theory and practice. But, in
> practice, there is." - Jan L.A. van de Snepscheut
>
> ===
> | Itamar Kass, Ph.D.
> | Postdoctoral Research Fellow
> |
> | Department of Biochemistry and Molecular Biology
> | Building 77 Clayton Campus
> | Wellington Road
> | Monash University,
> | Victoria 3800
> | Australia
> |
> | Tel: +61 3 9902 9376
> | Fax: +61 3 9902 9500
> | E-mail: itamar.k...@monash.edu
> 
>


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