alpha-synuclein protein. may play role in parkinson\'s and alzheimer\'s disease

pdb2kkw synuclein synucleine alpha neural neuron tumor parkinson disease helix helical alzheimer lewy body neurodegenerative neurodegeneration brain parkinsons alzheimers amyloid snare lipid membrane autoproteolytic fibril dementia synucleinopathy prion structure peptide protein amino acid molecule polypeptide polymer atoms science scientific health molecular model