a-synuclein, Non-A beta component, AD amyloid, Non-A4 component of amyloid, NACP, SNCA, NACP, PARK1, non-Abeta component protein, NACP, Alzheimer’s brain tissue, a-synuclein, neural tissue, non-neural tissue, a-synuclein, nucleus, termini, mitochondria, a-synuclein, molecular chaperone, synaptobrevin-2 protein, non-mutated a-synuclein, alpha helical tetramer, Lewy Body, cytoplsasm, cell junction, Alzheimer's disease, neurodegeneration, apoptosis, locomotor behavior, cocaine response and copper binding,