About the Authors

Yamini Dalal

Affiliations Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America , Howard Hughes Medical Institute, Seattle, Washington, United States of America

Hongda Wang

Affiliation Biodesign Institute, Arizona State University, Tempe, Arizona, United States of America

Stuart Lindsay

Affiliation Biodesign Institute, Arizona State University, Tempe, Arizona, United States of America

Steven Henikoff

To whom correspondence should be addressed. E-mail: steveh@fhcrc.org

Affiliations Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America , Howard Hughes Medical Institute, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

YD, SH, and SL conceived and designed the experiments. YD performed the experiments, except for AFM, which was performed by HW. YD and SH analyzed the data, except for AFM data analyzed by HW and SL. YD contributed reagents/materials/analysis tools. YD and SH wrote the paper.