AMBER Archive (2003)Subject: Re: AMBER: Amber charge problem
From: Bill Ross (ross_at_cgl.ucsf.edu)
Date: Mon Oct 13 2003 - 20:21:00 CDT
> For the atoms which have the same atom type, is it
> necessary to keep the same charge on them? Sometimes,
> some of them involve H-bonding with other groups. I
> think that the charge on such atoms should be
> different with other atoms which gave the same atom
> type. But it seems amber force field never cares it.
> Can I keep all the other parameters the same, but
> permit them different charge?
Charges are set in the residue definition instead of the
atom types definition so that they can vary for each atom.
Bill Ross
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