On 07/02/2012 06:12 PM, reising...@rostlab.informatik.tu-muenchen.de wrote:
Okey thank you.
But shell I also
#include "amber03.ff/spc.itp"
Because when I don't include it I get the error:
Fatal error:
No such moleculetype SOL
An when I include it there is no error.
The only thing that makes sense is to use only amber03/tip3p.itp, like
Justin said. It defines the SOL [moleculetype], so your observations do
not seem consistent with #including such a file. Your .top fragment
suggests you're #including them at quite different points, and maybe the
point at with you #include tip3p is inappropriate (e.g. inside an #ifdef).
Mark
But in one of the last mails Justin wrote that:
"You're using two different water models, so things are getting overridden
there.
With AMBER03, you should be using TIP3P, not SPC. The conflicting water
models suggest you've made manual modifications to the topology. Perhaps
there is some error as a result."
On 07/02/2012 05:49 PM, reising...@rostlab.informatik.tu-muenchen.de
wrote:
Hi Justin,
I wanted to use the only tip3p but I do not have the tip3p.gro file but
only the tip3p.tip file.
http://www.gromacs.org/Documentation/How-tos/TIP3P_coordinate_file
I also have the tip4p.gro and tip5p.gro file. Can
I also use them?
No.
Mark
On 6/29/12 5:38 PM, reising...@rostlab.informatik.tu-muenchen.de wrote:
Hi Justin,
yes I removed all the old resulting files and did everything again. So
now
there is the topology and coordinate file with only NA and CL and not
NA+
or CL-.
I also checked whether the molecules are listed in the same order as
in
the .gro file and it is the case. So that is also correct.
What do you mean with:
What does your [molecules] directive specify?
My [molecules] part in the topology file looks like this:
[ molecules ]
; Compound #mols
Protein_chain_A 1
DUM 20088
SOL 13428
NA 29
CL 29
I see no reason this would not work. However, I just noticed from your
previous
message:
; Include water topology
#include "amber03.ff/tip3p.itp"
; Include topology for ions
#include "amber03.ff/ions.itp"
#include "amber03.ff/spc.itp"
#include "amber03.ff/dum.itp"
You're using two different water models, so things are getting
overridden
there.
With AMBER03, you should be using TIP3P, not SPC. The conflicting
water
models suggest you've made manual modifications to the topology.
Perhaps
there
is some error as a result.
-Justin
--
========================================
Justin A. Lemkul, Ph.D.
Research Scientist
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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