1. Department of Chemistry, New York University, New York, New York 10003, United States
2. Department of Physiology, College of Medicine, University of Tennessee Health Science Center (UTHSC), Memphis, Tennessee 39163, United States
3. Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California 94720, United States
4. European Molecular Biology Laboratory (EMBL), Heidelberg 69117, Germany
5. Vollum Institute, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, United States
6. Chemical Physiology & Biochemistry Department, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, United States
7. Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, California 94720, United States
8. Department of Chemistry, University of Memphis, Memphis, Tennessee 38152, United States