1. Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
2. Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
3. Howard Hughes Medical Institute, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
4. Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
5. Department of Biochemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
6. Department of Bioengineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States