Thanks for your help Justin & Terry

I've been letting genion etc update it ... so there must be somewhere where 
i've missed it or something.  I'll check through the files and see if I can see 
what's missing...

xxx

________________________________
From: gmx-users-boun...@gromacs.org [gmx-users-boun...@gromacs.org] on behalf 
of Terry [terrence...@gmail.com]
Sent: 22 September 2010 11:55
To: Discussion list for GROMACS users
Subject: Re: [gmx-users] Energy minimisation problems - coordinate file and 
topology file not matching.


Hi, Natalie,

Obviously, number of coordinates still doesn't match the topology file even you 
updated the topol.top *carefully*.
Check the topol.top thoroughly or paste several line of your coordinate and 
topology files may be good ideas.

Note that the topology file is lacking information for *28* atoms. Does that 
number remind you anything?


Terry

On Wed, Sep 22, 2010 at 6:42 PM, Natalie Stephenson 
<natalie.stephen...@postgrad.manchester.ac.uk<mailto:natalie.stephen...@postgrad.manchester.ac.uk>>
 wrote:
Hi everyone,

I was hoping you could clear up a problem I'm having when performing energy 
minimisation.  I'm following the instructions from one of the tutorials 
(Justin's Umbrella Sampling) with my own protein, however, this time when I try 
to perform the energy minimisation it throws out this 'fatal error message' ...

 number of coordinates in coordinate file (nrr_solv_ions.gro, 33181)
             does not match topology (topol.top, 33153)

I've been updating the topol.top file every time I've done something, so I'm 
not really sure what's happened.

Can anyone throw some light on what I've gone wrong!!
Thanks loads!
Natalie

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