G-Proteins and GPCRs: From the Beginning.- Modeling GPCRs.- QSAR Modeling of GPCR Ligands: Methodologies and Examples of Applications.- Privileged Structures in GPCRs.- Designing Compound Libraries Targeting GPCRs.- Orphan Seven Transmembrane Receptor Screening.- The Role of GPCR Dimerisation/Oligomerisation in Receptor Signalling.- Deorphanization of G-Protein-Coupled Receptors.- Virus-Encoded G-Protein-Coupled Receptors: Constitutively Active (Dys)Regulators of Cell Function and Their Potential as Drug Target.- Modulation of GPCR Conformationsby Ligands, G-Proteins, and Arrestins.- High Content Screening to Monitor G Protein-Coupled Receptor Internalisation.- High-Throughput Lead Finding and Optimisation for GPCR Targets.