AMBER Archive (2001)

Subject: Re: Ionic solutions

From: Mihaly Mezei (mezei_at_inka.mssm.edu)
Date: Tue Feb 20 2001 - 16:18:45 CST

> The cations should end up very close to the DNA solute anyway, since they
> will be attracted by the phosphates.

Well, not necessarily all of them. According to Manning's counterion
condensation theory (that have stood the test pf time pretty well) only
about 75% of the counterions are within ca 10 A of the DNA.

Mihaly Mezei,

Dept. of Physiology & Biophysics, Mount Sinai School of Medicine
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