AMBER Archive (2009)

Subject: Re: [AMBER] Amber FF and Glycam

From: Carlos Simmerling (
Date: Thu Apr 30 2009 - 13:36:21 CDT

either one could be used in principle, but from the protein perspective I
think we have found that 99SB provides a better model. also I think the
charge model for 99SB is more compatible with that of glycam, while ff03
uses a different charge derivation model. I don't think anyone has done a
careful study to determine if this causes any problems.

On Wed, Apr 29, 2009 at 9:42 PM, Dong Xu <> wrote:

> Hi,
> Which Amber FF is better suited with Glycam06, ff99SB or ff03?
> Thanks!
> Dong Xu
> UC, San Diego
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