Institution: | 1. Department of Structural Biology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA;2. Department of Tumor Cell Biology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA;3. Howard Hughes Medical Institute, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA;4. Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA;5. HHMI Mass Spectrometry Laboratory, University of California, Berkeley, CA 94720, USA;6. Division of Biological Sciences, University of California San Diego, La Jolla, CA 92093, USA |