About the Authors
- Russell F. Doolittle
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* E-mail: rdoolittle@ucsd.edu
Affiliations Department of Chemistry & Biochemistry, University of California, San Diego, La Jolla, California, United States of America, Department of Molecular Biology, University of California, San Diego, La Jolla, California, United States of America
Competing Interests
The author has declared that no competing interests exist.