1. Gene Function Research Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), Central 4, 1-1-1 Higashi, Tsukuba Science City 305-8562, Japan; Institute of Applied Biochemistry and Center for Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba Science City 305-8572, Japan.
2. Gene Function Research Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), Central 4, 1-1-1 Higashi, Tsukuba Science City 305-8562, Japan.
3. Institute of Applied Biochemistry and Center for Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba Science City 305-8572, Japan.
4. Gene Function Research Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), Central 4, 1-1-1 Higashi, Tsukuba Science City 305-8562, Japan and Institute of Applied Biochemistry and Center for Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba Science City 305-8572, Japan; Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan.