About the Authors

Aaron G. Schmidt, Stephen C. Harrison
Jack and Eileen Connors Laboratory of Structural Biology, Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, United States of America

Priscilla L. Yang
Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts, United States of America

Stephen C. Harrison
Howard Hughes Medical Institute, Harvard Medical School, Boston, Massachusetts, United States of America

Corresponding Author

harrison@crystal.harvard.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AGS SCH. Performed the experiments: AGS. Analyzed the data: AGS PLY SCH. Wrote the paper: AGS PLY SCH.