About the Authors

Deqiang Zhang

To whom correspondence should be addressed. E-mail: dzhang@mccammon.ucsd.edu

Affiliations Howard Hughes Medical Institute, University of California, San Diego, California, United States of America , Department of Chemistry and Biochemistry, University of California, San Diego, California, United States of America , Center for Theoretical Biological Physics, University of California, San Diego, California, United States of America

J. Andrew McCammon

Affiliations Howard Hughes Medical Institute, University of California, San Diego, California, United States of America , Department of Chemistry and Biochemistry, University of California, San Diego, California, United States of America , Center for Theoretical Biological Physics, University of California, San Diego, California, United States of America , Department of Pharmacology, University of California, San Diego, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

DZ and JAM conceived and designed the experiments. DZ performed the experiments. DZ analyzed the data and contributed reagents/materials/analysis tools. DZ and JAM wrote the paper.