Re: AMBER: Regarding ff03 forcefield

From: David A. Case <>
Date: Fri, 25 Jul 2008 13:46:26 -0700

On Fri, Jul 25, 2008, Bill Ross wrote:

> > In Amber 9 and 10 there are two versions, ff03 and ff03ua. The ua stands for
> > united atom. This was not present in AMBER 8 if I recall.
> Ross, do you know if this is based on the OPLS united atom ff?

Not based on OPLS. Please see section 2.4 of the AmberTools Users' Manual for
a description and literature references.


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Received on Sun Jul 27 2008 - 06:07:57 PDT
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