So do you see any error message in the sander output when running with
the first input, which is recommended?
When you use the second input, you implicitly used radiopt=1, which
asks the program to assign radii for all atoms. However it apparently
doesn't know anything about D1/DU, so you saw the error message.
All the best,
Ray
--
Ray Luo, Ph.D.
Professor of Structural Biology/Biochemistry/Biophysics,
Chemical Physics, Biomedical Engineering, and Chemical Engineering
Department of Molecular Biology and Biochemistry
University of California, Irvine, CA 92697-3900
On Thu, Nov 9, 2017 at 1:22 AM, Urszula Uciechowska
<urszula.uciechowska.biotech.ug.edu.pl> wrote:
>
> Dear Amber users,
>
> While running mmpbsa.py (AMBER16) I am getting an error message after 50
> min of calculations that
> amber16/bin/sander failed with prmtop complex.top!
>
>
> My complex contains Zn atom for which I used Cationic Dummy Atom (CaDA)
> approach.
>
> My input for MMPBSA is:
>
> &general
> startframe=1, endframe=1000, interval=1,
> verbose=2, keep_files=0,
> /
> &pb inp=1, radiopt=0,
> /
>
>
>
>
> If i use as a input file:
>
> &general
> startframe=1, endframe=1000, interval=1,
> verbose=2, keep_files=0,
> /
> &pb
> /
>
> The error message is: PB Bomb in pb_aaradi(): No radius assigned for atom
> 2735 D1 DU
>
> I went through the previous user lists messages, but there is no clear
> answers that I could find.
>
> Thanks in advance for any help.
>
> best
> Urszula
> --------------------------------------------
> Urszula Uciechowska PhD
> University of Gdansk and Medical Univesity of Gdansk
> Department of Molecular and Cellular Biology
> ul. Abrahama 58
> 80-307 Gdańsk
> Poland
>
>
> -----------------------------------------
> Ta wiadomość została wysłana z serwera Uniwersytetu Gdańskiego
> http://www.ug.edu.pl/
>
>
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Received on Thu Nov 09 2017 - 06:00:02 PST