About the Authors

Kennen B. MacKay

Affiliation Department of Chemistry and Biochemistry and the Molecular Biology Institute, University of California Los Angeles, Los Angeles, California, United States of America

Jonathan D. Lowenson

Affiliation Department of Chemistry and Biochemistry and the Molecular Biology Institute, University of California Los Angeles, Los Angeles, California, United States of America

Steven G. Clarke

clarke@mbi.ucla.edu

Affiliation Department of Chemistry and Biochemistry and the Molecular Biology Institute, University of California Los Angeles, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KBM JDL SGC. Performed the experiments: KBM JDL. Analyzed the data: KBM JDL SGC. Contributed reagents/materials/analysis tools: KBM JDL SGC. Wrote the paper: KBM JDL SGC.