Re: [AMBER] How to set salt concentration

From: Nada Afiva <nadaafiva.gmail.com>
Date: Sat, 4 Jul 2020 02:00:43 +0700

Dear Sir,
50 Na+ and 61 Cl- ions were calculated according to this:
http://archive.ambermd.org/202002/0194.html

After that would neutralize by adding a number of Na+, so final
charge would be zero. Please correct me if I am wrong.
Thanks.

nadafiva

Pada tanggal Jum, 3 Jul 2020 pukul 20.45 David A Case <
david.case.rutgers.edu> menulis:

> On Fri, Jul 03, 2020, Nada Afiva wrote:
>
> >I have protein+RNA+ligand with charge -11.00.
> >I want salt concentration 0.15 M. Using your formula,
> >I have to add 50 Na+ and 61 Cl- ions.
>
> This seems wrong: you want more cations than anions, in order to
> neutralize the negative charge of the solute.
>
> ....dac
>
>
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Received on Fri Jul 03 2020 - 12:30:04 PDT
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