About the Authors

Nathan S. Alexander

Affiliations Center for Structural Biology, Vanderbilt University, Nashville, Tennessee, United States of America, Department of Chemistry, Vanderbilt University, Nashville, Tennessee, United States of America

Richard A. Stein

Affiliation Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee, United States of America

Hanane A. Koteiche

Affiliation Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee, United States of America

Kristian W. Kaufmann

Affiliations Center for Structural Biology, Vanderbilt University, Nashville, Tennessee, United States of America, Department of Chemistry, Vanderbilt University, Nashville, Tennessee, United States of America

Hassane S. Mchaourab

Affiliations Center for Structural Biology, Vanderbilt University, Nashville, Tennessee, United States of America, Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee, United States of America

Jens Meiler

jens.meiler@vanderbilt.edu

Affiliations Center for Structural Biology, Vanderbilt University, Nashville, Tennessee, United States of America, Department of Chemistry, Vanderbilt University, Nashville, Tennessee, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NSA RAS HSM JM. Performed the experiments: NSA RAS HAK. Analyzed the data: NSA RAS HSM JM. Contributed reagents/materials/analysis tools: NAS RAS HAK KWK HSM JM. Wrote the paper: NSA RAS HSM JM.