About the Authors

Matthew R. Meyer

Affiliation Department of Medicine, Washington University School of Medicine, 660 S. Euclid Ave, St. Louis, MO 63130, United States of America

Shweta Shah

Affiliation Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, Iowa 50011, United States of America

J. Zhang

Affiliation NIH NCRR Center for Biomedical and Bio-Organic Mass Spectrometry, Dept. of Chemistry, Washington University, St. Louis, MO 63130, United States of America

Henry Rohrs

Affiliation NIH NCRR Center for Biomedical and Bio-Organic Mass Spectrometry, Dept. of Chemistry, Washington University, St. Louis, MO 63130, United States of America

A. Gururaj Rao

gururao@iastate.edu

Affiliation Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, Iowa 50011, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MRM JZ HWR AGR. Performed the experiments: MRM JZ SS. Analyzed the data: MRM JZ HWR SS. Wrote the paper: MRM SS AGR.