Department of Biomolecular Engineering, University of California, Santa Cruz, CA 95064, USA.|Department of Biomolecular Engineering, University of California, Santa Cruz, CA 95064, USA.|Department of Biomolecular Engineering, University of California, Santa Cruz, CA 95064, USA.|Department of Biomolecular Engineering, University of California, Santa Cruz, CA 95064, USA.|Department of Biomolecular Engineering, University of California, Santa Cruz, CA 95064, USA.