AMBER Archive (2006)

Subject: AMBER: restraintmask

From: Joseph Fernandez (
Date: Thu May 04 2006 - 13:22:21 CDT

I would like to restrain a residue using ntr.
However, I would only like to restrain the heavy atoms
(without the hydrogen atoms). WHen I use the
following syntax:


I get an error that ~ is an invalid symbol. When I
use the following:


I also get an error message that * is an invalid

Any help on this matter would be greatly appreciated.


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