About the Authors

Mafumi Abiko

Affiliation Department of Biological Sciences, Tokyo Metropolitan University, Tokyo, Japan,

Kensyo Furuta

Affiliation Department of Biological Sciences, Tokyo Metropolitan University, Tokyo, Japan,

Yoshio Yamauchi

Affiliation Department of Chemistry, Tokyo Metropolitan University, Tokyo, Japan

Chiharu Fujita

Affiliation Department of Chemistry, Tokyo Metropolitan University, Tokyo, Japan

Masato Taoka

Affiliation Department of Chemistry, Tokyo Metropolitan University, Tokyo, Japan

Toshiaki Isobe

Affiliation Department of Chemistry, Tokyo Metropolitan University, Tokyo, Japan

Takashi Okamoto

okamoto-takashi@tmu.ac.jp

Affiliation Department of Biological Sciences, Tokyo Metropolitan University, Tokyo, Japan,

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MA YY TI TO. Performed the experiments: MA KF YY CF TO. Analyzed the data: MA YY MT TO. Contributed reagents/materials/analysis tools: MA KF YY CF TO. Wrote the paper: MT TO.