About the Authors

Kiran K. Singarapu

singarapu@iict.res.in (KKS); jmarkley@wisc.edu (JLM)

Affiliations National Magnetic Resonance Facility at Madison and Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, United States of America, Center for NMR and Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad, Telangana, India

Michele M. Otte

Current address: Lonza Specialty Ingredients, Alpharetta, Georgia, United States of America

Affiliation Department of Microbiology, University of Georgia, Athens, Georgia, United States of America

Marco Tonelli

Affiliation National Magnetic Resonance Facility at Madison and Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

William M. Westler

Affiliation National Magnetic Resonance Facility at Madison and Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Jorge C. Escalante-Semerena

Affiliation Department of Microbiology, University of Georgia, Athens, Georgia, United States of America

John L. Markley

singarapu@iict.res.in (KKS); jmarkley@wisc.edu (JLM)

Affiliation National Magnetic Resonance Facility at Madison and Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KKS MO WMW JCE-S. Performed the experiments: KKS MO MT WMW. Analyzed the data: KKS MT. Wrote the paper: KKS MO MT WMW JCE-S JLM.