1. 1Institute for Cancer Genetics, Columbia University, New York, New York.
2. 2Department of Biological Sciences and Department of Chemistry, Columbia University, New York, New York.
3. 3Proteomics and Macromolecular Crystallography Shared Resource, Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York.
4. 4Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York.
5. 5Department of Pediatrics, Baylor College of Medicine, Houston, Texas.
6. 6Children's Oncology Group, Arcadia, California.
7. 7Division of Hematology, Oncology, Bone Marrow Transplant, and Cellular Therapies, Seattle Children's Hospital, University of Washington, Seattle, Washington.
8. 8Department of Biological Sciences, Northeast Structural Genomics Consortium, Columbia University, New York, New York.
9. 9Department of Pediatrics, Columbia University Medical Center, New York, New York.
10. 10Department of Systems Biology, Columbia University, New York, New York.