AMBER Archive (2008)

Subject: AMBER: About antechamber and GAFF

From: Stephane Abel (
Date: Wed Nov 26 2008 - 05:02:00 CST

Hi AMBER users

I have a little question about GAFF and Antechamber. Last week i asked a
question about simulations with glycolipid with AMBER force field
(Glycam06 in this case). I received a response of David and Mattew. They
said me that a good starting point for using AMBER force field and
obtain the partial charge of is to use Antechamber. So I have installed
Ambertools without any problems and started the tutorials, especially
the tutorial B4 of Ross Walker. If uderstand well, Antechamber use Gaff
for the assignation of the parameters. Here come my questions, it is
possible to change this force field and use Glycam06 . If yes, how I can
do it ?

Thank in advance for your help


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