About the Authors

Kui Yang

Affiliation Division of Bioorganic Chemistry and Molecular Pharmacology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America

Zhongdan Zhao

Affiliation Division of Bioorganic Chemistry and Molecular Pharmacology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America

Richard W. Gross

Affiliations Division of Bioorganic Chemistry and Molecular Pharmacology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America, Department of Chemistry, Washington University, St. Louis, Missouri, United States of America

Xianlin Han

To whom correspondence should be addressed. E-mail: xianlin@wustl.edu

Affiliation Division of Bioorganic Chemistry and Molecular Pharmacology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XH KY RG. Performed the experiments: KY ZZ. Analyzed the data: XH KY. Contributed reagents/materials/analysis tools: XH RG. Wrote the paper: XH KY RG.