About the Authors

Michael T. Bethune

Affiliation Department of Biochemistry, Stanford University, Stanford, California, United States of America

Erin Ribka

Affiliation Tulane National Primate Research Center, Covington, Louisiana, United States of America

Chaitan Khosla

Affiliations Department of Biochemistry, Stanford University, Stanford, California, United States of America, Department of Chemistry, Stanford University, Stanford, California, United States of America, Department of Chemical Engineering, Stanford University, Stanford, California, United States of America

Karol Sestak

ksestak@tulane.edu

Affiliations Tulane National Primate Research Center, Covington, Louisiana, United States of America, Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CK KS MB. Performed the experiments: KS MB ER. Analyzed the data: CK KS MB. Wrote the paper: CK KS MB.