Subject: Mg2+

From: Marina Ros <[email-masked]>
Date: 9 Oct 2000 02:23:18 -0700

Dear CCLers,

I'm a beginner in Molecular Modeling and I would gratly appreciate if someone
could help me solving the following problems:

a) The enzymatic system I'm dealing with contains several Mg2+ ions and
   I don't know how to evaluate them since the FF I'm been using is not
   parametrized for Mg2+

b) Should I add counterions or not? 
   Why would be adding of counterions beneficial?

Thanks.

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