Molecular Mimicry, Microbial Infection, and Autoimmune Disease: Evolution of the Concept -- The Structural Interactions Between T Cell Receptors and MHC-Peptide Complexes Place Physical Limits on Self-Nonself Discrimination -- A Virus-Induced Molecular Mimicry Model of Multiple Sclerosis -- Suppression of Autoimmunity via Microbial Mimics of Altered Peptide Ligands -- Molecular and Cellular Mechanisms, Pathogenesis, and Treatment of Insulin-Dependent Diabetes Obtained Through Study of a Transgenic Model of Molecular Mimicry -- Trypanosoma cruzi-Induced Molecular Mimicry and Chagas’ Disease -- HTLV-1 Induced Molecular Mimicry in Neurological Disease -- Molecular Mimicry: Anti-DNA Antibodies Bind Microbial and Nonnucleic Acid Self-Antigens -- Chlamydia and Antigenic Mimicry.