About the Authors

Aaron M. Ver Heul

Affiliations Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa, United States of America, Department of Biochemistry, University of Iowa, Iowa City, Iowa, United States of America

Lokesh Gakhar

Affiliations Department of Biochemistry, University of Iowa, Iowa City, Iowa, United States of America, Carver College of Medicine Protein Crystallography Facility, Iowa City, Iowa, United States of America

Robert C. Piper

Affiliation Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa, United States of America

Ramaswamy Subramanian

ramas@instem.res.in

Affiliations Department of Biochemistry, University of Iowa, Iowa City, Iowa, United States of America, Institute for Stem Cell Biology and Regenerative Medicine, Bangalore, India

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AVH RCP RS. Performed the experiments: AVH LG. Analyzed the data: AVH LG RS. Contributed reagents/materials/analysis tools: RCP LG. Wrote the paper: AVH LG RCP RS.