Description: This course provides a mechanistic exploration of the biophysical principles governing protein folding, stability, and the energy landscapes that dictate functional states. A central focus is the failure of these processes—protein misfolding—and the subsequent kinetics of amyloid aggregation, a phenomenon underlying debilitating pathologies such as Alzheimer’s and Parkinson’s diseases. We will address the added complexity of the cellular proteostasis network, including the role of molecular chaperones, metal ion homeostasis, and the emerging significance of intrinsically disordered proteins and liquid-liquid phase separation. Throughout the curriculum, we evaluate the advanced methodological toolkit—including spectroscopy, calorimetry, and microscopy—essential for characterizing proteins at the atomic and molecular scale. We also cover the chemical principles used to express, engineer, and purify proteins for subsequent experiments. Cross-list: CHEM 546. Recommended Prerequisite(s): Undergraduate biochemistry (BIOS 301, CHEM 340) and physical chemistry (BIOS 352, CHEM 301/302)