A 62-year-old female presents with tremors, rigidity, and bradykinesia, leading to a diagnosis of Parkinson’s disease. Post-mortem studies of similar patients reveal Lewy bodies containing aggregated alpha-synuclein, an intrinsically disordered protein, in the substantia nigra. What property of alpha-synuclein, as an IDP, contributes to its aggregation in Parkinson’s disease?