1 RIKEN Systems and Structural Biology Center, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, 230-0045, Japan.
2 Department of Biophysics and Biochemistry and Laboratory of Structural Biology, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
4 Division of Structural and Synthetic Biology, RIKEN Center for Life Science Technologies, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, 230-0045, Japan.
5 The Skaggs Institute for Chemical Biology and the Department of Cell and Molecular Biology, The Scripps Research Institute, BCC-379, 10550 North Torrey Pines Road, La Jolla, California, 92037, USA.
6 aTyr Pharma, 3545 John Hopkins Court, San Diego, California, 92121, USA.
7 Department of Cancer Biology, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida, 33458, USA.
8 Department of Biochemistry and Molecular Biology, Thomas Jefferson University, Philadelphia, Pennsylvania, 19107, USA.
9 The Scripps Florida Research Institute, 130 Scripps Way, 3B3, Jupiter, Florida, 33458-5284, USA.
10 RIKEN Systems and Structural Biology Center, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, 230-0045, Japan. yokoyama@riken.jp.
11 Department of Biophysics and Biochemistry and Laboratory of Structural Biology, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan. yokoyama@riken.jp.