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History
- April 4, 2017.
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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
Author Information
- 1Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
- 2Division of Biology and Biological Engineering, Pasadena, California 91125, USA
- 3Howard Hughes Medical Institute, California Institute of Technology, Pasadena, California 91125, USA
- ↵#Correspondence and requests for materials should be addressed to E.D.G. (email: egoley1{at}jhmi.edu).