Chapter 1: The Building BlocksChapter 2: Motifs of Protein StructureChapter 3: Alpha-Domain StructuresChapter 4: Alpha/Beta StructuresChapter 5: Beta StructuresChapter 6: Folding and FlexibilityChapter 7: DNA StructuresChapter 8: DNA Recognition in Procaryotes by Helix-Turn-Helix MotifsChapter 9: DNA Recognition by Eucaryotic Transcription FactorsChapter 10: Specific Transcription Factors Belong to a few FamiliesChapter 11: An Example of Enzyme Catalysis: Serine ProteinasesChapter 12: Membrane ProteinsChapter 13: Signal TransductionChapter 14: Fibrous ProteinsChapter 15: Recognition of Foreign Molecules by the Immune SystemChapter 16: The Structure of Sperical VirusesChapter 17: Prediction, Engineering, and Design of Protein StructuresChapter 18: Determination of Protein Structures