ATP parameters for MD simulation



Dear MD people,
 I am looking for the force field parameters for
 ATP, ADP and the like molecules.
 I also would appreciate any references to the MD simulations
 involving these compounds.
 thank you in advance,
 -maria
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 Maria Kurnikova,                    |  phone: 1-(412)-624-1217
 Chemistry Department,           |  fax:      1-(412)-624-8552
 University of Pittsburgh,          |  email: mary.,at,.mambo.chem.pitt.edu
 Pittsburgh, PA 15260,
 USA.
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