About the Authors
Department of Biochemistry, Stanford University Medical Center, Stanford, California, United States of America
National Centre for Biological Sciences, UAS-GKVK Campus, Bangalore, India
Division of Biological Sciences, University of California San Diego, La Jolla, California, United States of America
The authors have declared that no competing interests exist.
DA conceived and designed the experiments. DA and DG performed the experiments. DA, DG, JAS, and SM analyzed the data and wrote the paper. DA, DG, TH, JAS, and SM contributed reagents/materials/analysis tools.