Re: [AMBER] How to set salt concentration

From: David A Case <>
Date: Fri, 3 Jul 2020 09:44:48 -0400

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.


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Received on Fri Jul 03 2020 - 07:00:05 PDT
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