About the Authors
Department of Structural Biology, St. Jude Children's Research Hospital, Memphis, Tennessee United States of America
Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee, United States of America
Department of Microbiology, Immunology & Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: HZ, RMD, SWW, CJR. Performed the experiments: HZ RMD. Analyzed the data: HZ RMD SWW CJR. Contributed reagents/materials/analysis tools: MR RJH. Wrote the paper: HZ RMD SWW CJR.