1. Department of Biological Sciences, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania15213, United States
2. Center for Polymer-Based Protein Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania15213, United States
3. National Laboratory Astana, Nazarbayev University, Nur-Sultan City010000, Kazakhstan
4. Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania15213, United States
5. Department of Chemical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania15213, United States
6. Amgen, 1 Amgen Center Drive, Thousand Oaks, California91320, United States