About the Authors

Peter A. Keyel

Affiliations Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America, Department of Biological Sciences, Texas Tech University, Lubbock, Texas, United States of America

Matthew Romero

Affiliation Department of Biological Sciences, Texas Tech University, Lubbock, Texas, United States of America

Wenbo Wu

Affiliation Department of Biological Sciences, Texas Tech University, Lubbock, Texas, United States of America

Daniel H. Kwak

Affiliation Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Qin Zhu

Affiliation Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Xinyu Liu

Affiliation Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Russell D. Salter

rds@pitt.edu

Affiliation Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PAK XL RDS. Performed the experiments: PAK DHK MR WW. Analyzed the data: PAK RDS. Contributed reagents/materials/analysis tools: QZ. Wrote the paper: PAK RDS.