A 60-year-old man presents with slurred speech, difficulty swallowing, and muscle stiffness. Neurological examination reveals signs of Parkinson’s disease. His physician explains that the accumulation of misfolded proteins in the brain, including intrinsically disordered proteins (IDPs), contributes to the disease. Which of the following intrinsically disordered proteins (IDPs) is implicated in the pathogenesis of Parkinson’s disease?
