Affiliation: | 1. Department of Cell and Molecular Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA;2. Department of Biology, Franklin and Marshall College, Lancaster, PA 17603, USA;3. Department of Biological Sciences, Mount Holyoke College, South Hadley, MA 01075, USA;4. Department of Cell and Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA;5. Department of Biochemistry, Stanford University, Stanford, CA 94305, USA |