Mg and GTP parameters needed

From: Dorina Kosztin <dorina-0at0-ks.uiuc.edu>
Subject: Mg and GTP parameters needed
Date: Sun, 30 Jan 2000 22:32:00 -0600 (CST)

Hi,
 I would greatly appreciate if somebody can provide me with Charmm
 parameters for Mg ions and GDP/GTP. Also please let me know if there are
 any papers that used Mg ions or GDP/GTP in molecular dynamics
 simulations.
 Thank you,
 Dorina Kosztin
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