AMBER Archive (2007)

Subject: Re: AMBER: force field question

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On Thu, Sep 27, 2007, Eddie Men wrote:

> I am using the ff03 force field for proteins and preparing a system for
> constant pH simulations. In p. 172 for the online manual, the ff99 force
> field is used, where in particular the file frcmod.mod_phipsi.1 is loaded.

This file is intended for use with ff99, *not* with ff03. It is also rather
outdated by now. You should probably use either ff03 (be sure to apply
bugfix.5 if you are using Amber 9) or ff99SB.

...dac

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• Next message: David A. Case: "Re: AMBER: needing more detailed knowledge of tautp than the manual"
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