AMBER Archive (2002)

Subject: Re: sander & prmtop file generated from antechamber input ?

From: David Case (case_at_scripps.edu)
Date: Wed Apr 24 2002 - 10:59:14 CDT


On Wed, Apr 24, 2002, jeff dyason wrote:

> When I went to run a sander job using the prmtop and
> prmcrd files generated by leap from an antechamber generated file an
> error appeared on the command line:-
>
> bad atom type : ca
>

This only happens with GBSA: the surface area routine does not know about
the atom types in gaff.

You could set gbsa to zero if you just want to explore. I have also posted
bugfix.7 at the Amber web site to allow the surface area routines to
recognize the lower case atom types.

...thanks for pointing out this problem....dac

-- 

================================================================== David A. Case | e-mail: case_at_scripps.edu Dept. of Molecular Biology, TPC15 | fax: +1-858-784-8896 The Scripps Research Institute | phone: +1-858-784-9768 10550 N. Torrey Pines Rd. | home page: La Jolla CA 92037 USA | http://www.scripps.edu/case ==================================================================