About the Authors
- Mario Meng-Chiang Kuo, Innokentiy Maslennikov, Brent Molden, Senyon Choe
- Structural Biology Laboratory, The Salk Institute, La Jolla, California, United States of America
The authors have declared that no competing interests exist.
MM-CK, IM, and SC conceived and designed the experiments. MM-CK, IM, and BM performed the experiments. MM-CK, IM, and SC analyzed the data. MM-CK, IM, and SC wrote the paper.