AMBER: parameterization for copper

From: Syed Tarique Moin <>
Date: Wed, 3 Oct 2007 03:45:33 -0700 (PDT)

As i am dealing a protein with two copper(II) and on
sodium ions and finally during saving following errors
are found.
Kindly help me in this regard.
Building topology.
Building atom parameters.
Building bond parameters.
Could not find bond parameter for: O - NA
Could not find bond parameter for: O - NA
parameter not saved.

Syed Tarique Moin,
Junior Research Fellow,
H.E.J. Research Institute of Chemistry,
International Center for Chemical and Biological Sciences,
University of Karachi, Karachi-75720, Pakistan

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Received on Sun Oct 07 2007 - 06:07:06 PDT
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