About the Authors

Yi Fang

Affiliation Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Ning Wu

Affiliation Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Xin Gan

Affiliation Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Wanhua Yan

Affiliation Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

James C Morrell

Affiliation Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Stephen J Gould

To whom correspondence should be addressed. E-mail: sgould@jhmi.edu

Affiliation Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

YF, NW, and SJG conceived and designed the experiments. YF, NW, XG, WY, and JCM performed the experiments. YF, NW, XG, and SJG analyzed the data. YF and SJG wrote the paper.