Subject: How to define a dummy atom in Charmm

From: martin*at*yangtze.hku.hk
Date: Sat, 17 Jan 2004 18:04:38 +0800 (HKT)

Dear sirs,

I am sorry to post questions again and again. I would like to ask how to 
define a dummy atom in Charmm or insightII.

Thank you very much

Martin