1. Program in Molecular Biophysics, Johns Hopkins University, Baltimore, Maryland 21218, United States
2. Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
3. Department of Chemistry, Franklin & Marshall College, Lancaster, Pennsylvania 17603, United States
4. Department of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States
5. Protein Design Lab, Institute for Protein Innovation, Boston, Massachusetts 02115, United States
6. Division of Hematology/Oncology, Boston Children’s Hospital, Boston, Massachusetts 02115, United States
7. Department of Pediatrics, Harvard Medical School, Boston, Massachusetts 02115, United States