Quoting Ye Mei <ymei.itcc.nju.edu.cn>:
> Thank you very much for your reply. Maybe I have not made myself clear.
> H21 H22
> \ /
> N2
> //
> -N1--C1 (+1 charge)
> | \
> H1 N3
> / \
> H31 H32
Why don't you look at the ARG residue available in the AMBER FF topology DB ?
Here are the imporper taken from /usr/local/amber8/dat/leap/prep/all_amino94.in
used for ARG
IMPROPER
-M CA N H
CA +M C O
NE NH1 CZ NH2
CD CZ NE HE
CZ HH11 NH1 HH12
CZ HH21 NH2 HH22
regards, Francois
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Received on Sun Mar 12 2006 - 06:10:18 PST
