[gmx-users] Software inconsistency error: Not enough water

Thomas Piggot t.piggot at bristol.ac.uk
Thu Feb 11 14:07:41 CET 2010


Plus I suppose that if you have kept the crystal waters you would not 
want them to be replaced by genion.

Tom

Berk Hess wrote:
> Hi,
> 
> We are getting to much detail now.
> In principle yes, but since you get a clear error message now, I 
> wouldn't worry about this.
> The chance that the last water block is willingly smaller than the 
> number of ions is about zero.
> 
> Berk
> 
>  > Date: Thu, 11 Feb 2010 13:34:59 +0100
>  > From: erikm at xray.bmc.uu.se
>  > To: gmx-users at gromacs.org
>  > Subject: Re: [gmx-users] Software inconsistency error: Not enough water
>  >
>  > Hi,
>  >
>  > Is it desirable that genion only considers a single SOL block? Why not
>  > use them all if there are many?
>  >
>  > Regards,
>  >
>  > Erik
>  >
>  > Berk Hess skrev:
>  > > Hi,
>  > >
>  > > genion in future Gromacs versions will only use the last SOL block
>  > > and give a proper error message when there is not enough water.
>  > >
>  > > Berk
>  > >
>  > > 
> ------------------------------------------------------------------------
>  > > From: iitdckc at gmail.com
>  > > Date: Thu, 11 Feb 2010 16:45:06 +0530
>  > > Subject: Re: [gmx-users] Software inconsistency error: Not enough water
>  > > To: gmx-users at gromacs.org
>  > >
>  > >
>  > > Thanks berk.
>  > > By the way, if I dont give -p topol.top as input to genion, then
>  > > genion executes. In this case, I manually edit the topology file and
>  > > add the ion information.
>  > > [ molecules ]
>  > > ; Compound #mols
>  > > Protein_A 1
>  > > Protein_B 1
>  > > Protein_C 1
>  > > Protein_D 1
>  > > Protein_E 1
>  > > SOL 32
>  > > SOL 46
>  > > SOL 3
>  > > SOL 13
>  > > SOL 19791
>  > > Na 48
>  > >
>  > > This is my part of topology after adding ions (Na). In the previous
>  > > case of genion was only considering first SOL information, which has
>  > > only 32 molecules.
>  > >
>  > > Chandan
>  > >
>  > >
>  > > --
>  > > Chandan kumar Choudhury
>  > > NCL, Pune
>  > > INDIA
>  > >
>  > >
>  > > On Thu, Feb 11, 2010 at 3:38 PM, Berk Hess <gmx3 at hotmail.com
>  > > <mailto:gmx3 at hotmail.com>> wrote:
>  > >
>  > > Hi,
>  > >
>  > > This error message in incorrect, it is probably not a software
>  > > inconsistency.
>  > > Looking at the code, it seems the problem is that the topology file
>  > > you provided does not have enough SOL molecules in the [molecules
>  > > ] section.
>  > > I'll fix this error message for the next release.
>  > >
>  > > Berk
>  > >
>  > > 
> ------------------------------------------------------------------------
>  > > From: iitdckc at gmail.com <mailto:iitdckc at gmail.com>
>  > > Date: Thu, 11 Feb 2010 12:48:53 +0530
>  > > To: gmx-users at gromacs.org <mailto:gmx-users at gromacs.org>
>  > > Subject: [gmx-users] Software inconsistency error: Not enough water
>  > >
>  > >
>  > > Hello gmxusers !!
>  > > I am simulating a protein and it is bound to ATP.
>  > > Simulation of protein alone (without) works fine. Solely ATP
>  > > simulation too works. But the problem arises on adding ions to the
>  > > protein + ATP (1QHH.pdb) file.
>  > > Error:
>  > >
>  > >
>  > > $ genion -s em.tpr -o ion.pdb -p topol.top -np 48
>  > > WARNING: turning of free energy, will use lambda=0
>  > > Reading file em.tpr, VERSION 4.0.7 (single precision)
>  > > Using a coulomb cut-off of 0.9 nm
>  > > Will try to add 48 Na ions and 0 Cl ions.
>  > > Select a continuous group of solvent molecules
>  > > Opening library file
>  > > /usr/local/gromacs/share/gromacs/top/aminoacids.dat
>  > > Group 0 ( System) has 70056
>  > > elements
>  > > Group 1 ( Protein) has 10214
>  > > elements
>  > > Group 2 ( Protein-H) has 5107
>  > > elements
>  > > Group 3 ( C-alpha) has 623
>  > > elements
>  > > Group 4 ( Backbone) has 1869
>  > > elements
>  > > Group 5 ( MainChain) has 2488
>  > > elements
>  > > Group 6 (MainChain+Cb) has 3083
>  > > elements
>  > > Group 7 ( MainChain+H) has 3099
>  > > elements
>  > > Group 8 ( SideChain) has 7115
>  > > elements
>  > > Group 9 ( SideChain-H) has 2619 elements
>  > > Group 10 ( Prot-Masses) has 10214 elements
>  > > Group 11 ( Non-Protein) has 59842 elements
>  > > Group 12 ( ATP) has 43 elements
>  > > Group 13 ( SOL) has 59799 elements
>  > > Group 14 ( Other) has 59842 elements
>  > > Select a group: 13
>  > > Selected 13: 'SOL'
>  > > Number of (3-atomic) solvent molecules: 19933
>  > >
>  > > Processing topology
>  > >
>  > > Back Off! I just backed up temp.top to ./#temp.top.1#
>  > >
>  > > -------------------------------------------------------
>  > > Program genion, VERSION 4.0.7
>  > > Source code file: gmx_genion.c, line: 269
>  > >
>  > > Software inconsistency error:
>  > > Not enough water
>  > > -------------------------------------------------------
>  > >
>  > > Though my system has sufficient amount of water (19933) molecules.
>  > > Can not understand the error. Any information would be useful.
>  > >
>  > >
>  > > Chadan
>  > > --
>  > > Chandan kumar Choudhury
>  > > NCL, Pune
>  > > INDIA
>  > >
>  > > 
> ------------------------------------------------------------------------
>  > > Express yourself instantly with MSN Messenger! MSN Messenger
>  > > <http://clk.atdmt.com/AVE/go/onm00200471ave/direct/01/>
>  > >
>  > > --
>  > > gmx-users mailing list gmx-users at gromacs.org
>  > > <mailto:gmx-users at 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-request at gromacs.org
>  > > <mailto:gmx-users-request at gromacs.org>.
>  > > Can't post? Read http://www.gromacs.org/mailing_lists/users.php
>  > >
>  > >
>  > >
>  > > 
> ------------------------------------------------------------------------
>  > > Express yourself instantly with MSN Messenger! MSN Messenger
>  > > <http://clk.atdmt.com/AVE/go/onm00200471ave/direct/01/>
>  >
>  >
>  > --
>  > -----------------------------------------------
>  > Erik Marklund, PhD student
>  > Laboratory of Molecular Biophysics,
>  > Dept. of Cell and Molecular Biology, Uppsala University.
>  > Husargatan 3, Box 596, 75124 Uppsala, Sweden
>  > phone: +46 18 471 4537 fax: +46 18 511 755
>  > erikm at xray.bmc.uu.se http://xray.bmc.uu.se/molbiophys
>  >
>  > --
>  > gmx-users mailing list gmx-users at 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-request at gromacs.org.
>  > Can't post? Read http://www.gromacs.org/mailing_lists/users.php
> 
> ------------------------------------------------------------------------
> Express yourself instantly with MSN Messenger! MSN Messenger 
> <http://clk.atdmt.com/AVE/go/onm00200471ave/direct/01/>
> 

-- 
Thomas Piggot
University of Bristol, UK.



More information about the gromacs.org_gmx-users mailing list