Antechamber questions

From: Scott Shandler <>
Date: Thu, 27 Mar 2003 20:35:32 -0500 (EST)

Hello All,

I am an Amber newbie and have a couple of questions regarding Antechamber

1) I am running Amber 7 with Mopac 7 and have linked the appropriate
files so that I can finally get output file, however I get the following

>~/work/seq/test ->antechamber -i hetero_antechamber.pdb -fi pdb -o
>hetero.prepin -fo prepin -c bcc
>Running: /usr/local/amber7/exe/ ANTECHAMBER_MUL.MOP
>Mopac job ANTECHAMBER_MUL.MOP started
>Mopac job ANTECHAMBER_MUL.MOP has finished
>Warning, 45 bond types may not be correctly assigned

The warning message concerns me, is there any resonable explaination for

2) I am attempting to generate molecular fragment parameters with Amber 7,
and was wondering if there is any way to generate backward compatible
united atom parameters?

Thanks for your assistance.

-Scott Shandler
Received on Fri Mar 28 2003 - 01:53:00 PST
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