1. Department of Materials Science and Engineering University of Washington Seattle WA 98105 USA
2. Physical Sciences Division Physical and Computational Sciences Directorate Pacific Northwest National Laboratory Richland WA 99352 USA
3. School of Materials Science and Engineering Dongguan University of Technology Dongguan Guangdong 523830 China
4. Department of Biochemistry University of Washington Seattle WA 98195 USA
5. Institute for Protein Design University of Washington Seattle WA 98195 USA
6. Howard Hughes Medical Institute University of Washington Seattle WA 98195 USA
7. Department of Chemical Engineering University of Washington Seattle WA 98195 USA