Affiliation: | From the ‡Department of Microbiology, ;¶Molecular Neurobiology Program, Department of Cell Biology, ;‖Kimmel Center at Skirball Institute of Biomolecular Medicine, and ;**Department of Biochemistry, New York University School of Medicine, New York, New York 10016 and ;the §New York University and National Institutes of Health Graduate Partnership Program in Structural Biology, New York, New York 10016 |