about counterions

From: taojinwuhan_at_sohu.com
Date: Tue Dec 19 2006 - 21:18:19 CST

Hi, all<p><p>In MD we always add counterions to neutralize protein, but I doní»t understand it exactly. Why should we do that?<p>What differences can be caused without counterions? Is there a reasonable explanation for adding counterions? <p>I try to run a MD without counterions, but it caní»t be equilibrated in a long time. Does anybody meet similar situation?<p><p><p>Jin Tao <p>

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