About the Authors
Department of Molecular Biology, University of Wyoming, Laramie, Wyoming, United States of America
J. Craig Venter Institute, Rockville, Maryland, United States of America
Department of Biomolecular Engineering, University of California Santa Cruz, Santa Cruz, California, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DTP XW DW. Performed the experiments: DTP XW AB DW. Analyzed the data: DTP XW DHH DLG DW. Contributed reagents/materials/analysis tools: DTP XW DHH DLG DW. Wrote the paper: DW DTP DHH DLG.