About the Authors

Kanji Oshima

Affiliation Institute for Protein Research, Osaka University, Suita, Osaka, Japan

Yasunobu Sugimoto

Current address: Synchrotron Radiation Research Center, Nagoya University, Nagoya, Japan

Affiliation Division of Biophysical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, Japan

Thomas C. Irving

Affiliation Department of Biological and Chemical Sciences, Illinois Institute of Technology, Chicago, Illinois, United States of America

Katsuzo Wakabayashi

waka@bpe.es.osaka-u.ac.jp

Affiliation Division of Biophysical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KO YS TI KW. Performed the experiments: KO YS TI KW. Analyzed the data: KO KW. Contributed reagents/materials/analysis tools: KO YS TI KW. Wrote the paper: KO TI KW.