1. Department of Chemistry, University of California, Berkeley, California 94720, Department of Molecular and Cell Biology, Howard Hughes Medical Institute, University of California, Berkeley, California 94720, Biological Products Division, Bayer HealthCare LLC, Berkeley, California 94701, Departments of Chemical Engineering and Bioengineering, University of California, Berkeley, California 94720, Physical Bioscience Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, Molecular...