About the Authors

Justin D. Clifton

Affiliation Department Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America

Edinson Lucumi

Affiliation Penn Center for Molecular Discovery, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Michael C. Myers

Affiliation Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Andrew Napper

Affiliation Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Kotaro Hama

Affiliation Department of Embryology, Carnegie Institution, Baltimore, Maryland, United States of America

Steven A. Farber

Affiliation Department of Embryology, Carnegie Institution, Baltimore, Maryland, United States of America

Amos B. Smith III

Affiliations Penn Center for Molecular Discovery, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Donna M. Huryn

Affiliations Penn Center for Molecular Discovery, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Scott L. Diamond

Affiliations Penn Center for Molecular Discovery, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Michael Pack

mpack@mail.med.upenn.edu

Affiliations Department Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America, Department of Cell and Developmental Biology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JC MP. Performed the experiments: JC MP. Analyzed the data: JC ADN DH SLD MP. Contributed reagents/materials/analysis tools: EL MM ADN KH SAF ABSI DH SLD. Wrote the paper: MP.