About the Authors

Mengli Cai

Affiliation Laboratory of Chemical Physics, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Ying Huang

Affiliation Laboratory of Molecular Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Robert Craigie

mariusc@mail.nih.gov (GMC); robertc@mail.nih.gov (RC)

Affiliation Laboratory of Molecular Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

G. Marius Clore

mariusc@mail.nih.gov (GMC); robertc@mail.nih.gov (RC)

Affiliation Laboratory of Chemical Physics, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MC RC GMC. Performed the experiments: MC YH. Analyzed the data: MC RC GMC. Wrote the paper: MC RC GMC.