About the Authors

Zach Klapholz-Brown

To whom correspondence should be addressed. E-mail: zklapholzbrown@umail.ucsb.edu

Affiliation Department of Biochemistry, Stanford University School of Medicine, Stanford, California, United States of America

Graham G. Walmsley

Affiliation Department of Biochemistry, Stanford University School of Medicine, Stanford, California, United States of America

Ysbrand M. Nusse

Affiliation Department of Developmental Biology, Stanford University School of Medicine, Stanford, California, United States of America

Roel Nusse

Affiliations Department of Developmental Biology, Stanford University School of Medicine, Stanford, California, United States of America, Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, California, United States of America

Patrick O. Brown

Affiliations Department of Biochemistry, Stanford University School of Medicine, Stanford, California, United States of America, Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RN PB ZK GW. Performed the experiments: PB ZK GW YN. Analyzed the data: PB ZK GW. Contributed reagents/materials/analysis tools: PB. Wrote the paper: PB ZK.