AMBER Archive (2008)

Subject: RE: AMBER: Regarding ff03 forcefield

From: Yong Duan (
Date: Fri Jul 25 2008 - 11:24:19 CDT

Dear Reena:
It is all atom in Amber 8. In Amber 9, both united and all atom models are
included and you can choose between them. They are loaded by separate
-----Original Message-----
From: [] On Behalf Of
Reena .....
Sent: Friday, July 25, 2008 12:25 AM
Subject: AMBER: Regarding ff03 forcefield

Hi Users,

I wanted to clarifiy as to whether the ff03 forcefield with Amber 8 version
is an all atom or united atom FF. I was checking the amber 9 manual and got
confused so just wanted to confirm.


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