Protein-Protein Interactions as Drug Targets.- Targeting the MDM2-p53 Protein-Protein Interaction for New Cancer Therapeutics.- The Development of Small-Molecule IAP Antagonists for the Treatment of Cancer.- Protein-Protein Interaction Targets to Inhibit HIV-1 Infection.- Inhibitors of Protein-Protein Interactions in Paramyxovirus Fusion - a Focus on Respiratory Syncytial Virus.- Rational Design Strategies for Developing Synthetic Inhibitors of Helical Protein Interfaces.- The Discovery of Navitoclax, a Bcl-2 Family Inhibitor.