About the Authors

Janet L. Wolford

Affiliation Biosciences Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, United States of America

Yasmin Chishti

Affiliation Biosciences Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, United States of America

Qiaoling Jin

Affiliation Biosciences Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, United States of America

Jesse Ward

Affiliation X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, United States of America

Liaohai Chen

Affiliation Biosciences Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, United States of America

Stefan Vogt

Affiliation X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, United States of America

Lydia Finney

lfinney@anl.gov

Affiliations Biosciences Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, United States of America, X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JLW YC QJ LC SV LAF. Performed the experiments: YC QJ JW SV LAF. Analyzed the data: JLW JW SV LAF. Contributed reagents/materials/analysis tools: LC SV. Wrote the paper: JLW LAF.