Chaired by Daniel Appella,
                      NIDDK 
                    Conference Room F1/F2, Natcher Conference Center 
                    This symposium features presentations by
                      four established chemists in the intramural research program.   Dr.
                      Kenneth Jacobson will discuss a series of molecules that
                      mediate cardioprotective and anti-inflammatory functions.  Dr.
                      John Inman will present a class of molecules that inhibit
                      HIV by targeting a nucleocapsid protein.  Next, Dr.
                      Victor Marquez will present a class of molecules that have
                      antiviral activity against herpes simplex viruses and Kaposi's
                      sarcoma-associated herpesvirus.   Finally, Dr. Kenner
                      Rice will discuss a class of molecules that target corticotropin
                      releasing hormone (CRH) receptors, and their role as research
                      tools for PET imaging.   Each presentation demonstrates
                      how a small, synthetic, drug-like molecule can be designed,
                      and demonstrates the impact of such research in areas of
                      biology and medicine. 
                    Program: 
                    Engineering of G Protein-coupled Purine Receptors and
                      their Ligands 
                      Kenneth A. Jacobson, NIDDK 
                    Inactivation of HIV by 2-Mercaptobenzamide
                      Thioesters through Covalent Attack on the Viral Nucleocapsid
                      Protein, NCp7 
                      John K. Inman, NIAID 
                    The Investigation of a Conformational
                      Concept Leads to the Discovery of a Potent and Selective
                      Nucleoside Antiviral Agent against Kaposi Sarcoma 
                      Victor E. Marquez, NCI 
                    Design and Synthesis of Corticotropin
                      Releasing Hormone (CRH) Antagonists as
                      Drugs and Research Tools 
                      Kenner C. Rice, NIDA                     
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