About the Authors

Daniel H Anderson

Affiliation Howard Hughes Medical Institute, University of California Los Angeles, Los Angeles, California, United States of America

Valerie A Kickhoefer

Affiliations Department of Biological Chemistry, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America , California NanoSystems Institute, University of California Los Angeles, Los Angeles, California, United States of America

Stuart A Sievers

Affiliation Department of Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, California, United States of America

Leonard H Rome

Affiliations Department of Biological Chemistry, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America , California NanoSystems Institute, University of California Los Angeles, Los Angeles, California, United States of America

David Eisenberg

To whom correspondence should be addressed. E-mail: david@mbi.ucla.edu

Affiliations Howard Hughes Medical Institute, University of California Los Angeles, Los Angeles, California, United States of America , Department of Biological Chemistry, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America , California NanoSystems Institute, University of California Los Angeles, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Project planning: LHR, DHA, DE. Vault purification, etc., VAK. Crystallography, DHA. Sequence analysis, SAS. Vault quality control, LHR. Manuscript preparation, DHA with contributions from all other authors.