About the Authors
- Madelyn M. Shapiro, Vandana Chakravartty, John E. Cronan
- Department of Microbiology, University of Illinois, Urbana, Illinois, United States of America
- John E. Cronan
- Department of Biochemistry, University of Illinois, Urbana, Illinois, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MMS JEC. Performed the experiments: MMS VC. Analyzed the data: MMS JEC VC. Contributed reagents/materials/analysis tools: MMS. Wrote the paper: MMS JEC.