About the Authors

Mark Samson

Affiliation Department of Biology, San Francisco State University, San Francisco, California, United States of America

Margaret M. Jow

Affiliation Department of Biology, San Francisco State University, San Francisco, California, United States of America

Catherine C. L. Wong

Affiliations Department of Chemical Physiology, The Scripps Research Institute, La Jolla, California, United States of America, Mass Spectrometry Division, National Center for Protein Science Shanghai, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Science, Shanghai, China

Colin Fitzpatrick

Affiliation Department of Biology, San Francisco State University, San Francisco, California, United States of America

Aaron Aslanian

Affiliation Department of Chemical Physiology, The Scripps Research Institute, La Jolla, California, United States of America

Israel Saucedo

Affiliation Department of Biology, San Francisco State University, San Francisco, California, United States of America

Rodrigo Estrada

Affiliation Department of Biology, San Francisco State University, San Francisco, California, United States of America

Takashi Ito

Affiliation Department of Biochemistry, Nagasaki University School of Medicine, Nagasaki, Japan

Sung-kyu Robin Park

Affiliation Department of Chemical Physiology, The Scripps Research Institute, La Jolla, California, United States of America

John R. Yates III

Affiliation Department of Chemical Physiology, The Scripps Research Institute, La Jolla, California, United States of America

Diana S. Chu

chud@sfsu.edu

Affiliation Department of Biology, San Francisco State University, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DSC. Performed the experiments: MS CCLW CF MMJ IS RE. Analyzed the data: MS CCLW CF MMJ AA SkRP DSC. Contributed reagents/materials/analysis tools: JRY TI DSC. Wrote the paper: MMJ DSC.