Re: [AMBER] results from independent simulations

From: Daniel Sindhikara <sindhikara.gmail.com>
Date: Thu, 8 Sep 2011 13:13:22 +0900

I guess I should chime in here.
Chaotic motion of proteins/peptides was shown by Braxenthaler et al:
Braxenthaler, M.; Unger, R.; Auerbach, D.; Given, J. A.; Moult, J. Chaos in
protein dynamics. Proteins: Struct., Funct., Genet. 1997, 29 (4), 417–425.

I wrote a paper on the use of different random seeds and the problem that
two independent runs from different initial conditions they can look similar
if you use the same random seed. This is essentially the opposite of chaos
(a negative lyapunov exponent):
D. Sindhikara, S. Kim, A.F. Voter, A. Roitberg, J. Chem. Theory Comput. 5,
1624 (2009)

Specifying different random seeds is easy to do in amber via the ig flag.

-Dan

On Thu, Sep 8, 2011 at 1:02 AM, Jason Swails <jason.swails.gmail.com> wrote:

> On Wed, Sep 7, 2011 at 5:58 AM, Simon Becker
> <simon.becker.uni-konstanz.de>wrote:
>
> >
> > .jason: the shaw group: what are you referring to? is there a
> > publication I missed (again)? please let me know.
> >
>
> DESRES, Anton, desmond (milli-second long simulations):
> http://www.deshawresearch.com/ (they have publications there). It's neat
> to
> see what you can do with lots of $$ and a diverse team of hardware and
> software experts -- they designed an MD-supercomputer running its MD code
> with simulation times exceeding 1 ms for some systems.
>
> --
> Jason M. Swails
> Quantum Theory Project,
> University of Florida
> Ph.D. Candidate
> 352-392-4032
> _______________________________________________
> AMBER mailing list
> AMBER.ambermd.org
> http://lists.ambermd.org/mailman/listinfo/amber
>



-- 
Dr. Daniel J. Sindhikara
Institute for Molecular Science
E-mail: sindhikara.gmail.com
Website: http://sites.google.com/site/dansindhikara/
--
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Received on Wed Sep 07 2011 - 21:30:02 PDT
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