1. Institute for Neurodegenerative Diseases (IND), Weill Institute for Neurosciences, University of California San Francisco, San Francisco, California 94158, United States
2. Department of Neurology, Weill Institute for Neurosciences, University of California San Francisco, San Francisco, California 94158, United States
3. Department of Chemistry, University of California Berkeley, Berkeley, California 94720, United States
4. Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, California 94158, United States