Re: [AMBER] deuterate protein atoms by editing the topology file

From: Jose Borreguero <borreguero.gmail.com>
Date: Tue, 2 Feb 2010 16:35:24 -0500

Great! I'll give it a try

Jose M. Borreguero



On Tue, Feb 2, 2010 at 4:31 PM, case <case.biomaps.rutgers.edu> wrote:

> On Tue, Feb 02, 2010, Jose Borreguero wrote:
> >
> > I have a solvated system and I want to change the protein hydrogen atoms
> to
> > deuterium by just doubling their masses. I have edited the topology file
> of
> > the hydrogenated system and doubled the mass of the protein hydrogens
> under
> > %FLAG MASS
> >
> > When I use this new topology file, will sander treat the protein
> hydrogens
> > as particles having double mass than the water hydrogens?
>
> Sounds right to me...sander gets the masses from the MASS section of the
> prmtop file, so whatever is in there will be what is used.
>
> ...dac
>
>
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Received on Tue Feb 02 2010 - 14:00:03 PST
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