Author information:
(1)Technology Research Association for Next Generation Natural Products 
Chemistry, 2-4-7 Aomi, Koto-ku, Tokyo, 135-0064, Japan.
(2)RIKEN Center for Sustainable Resource Science, Natural Product Biosynthesis 
Research Unit, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
(3)Kitasato Institute for Life Sciences, Kitasato University, 1-15-1 Kitasato, 
Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan.
(4)Japan Biological Informatics Consortium, 2-4-7 Aomi, Koto-ku, Tokyo, 
135-0064, Japan.
(5)Department of Chemistry, Tokyo Institute of Technology, 2-12-1 O-okayama, 
Meguro-ku, Tokyo, 152-8551, Japan.
(6)RIKEN Center for Sustainable Resource Science, Molecular Structure 
Characterization Unit, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
(7)RIKEN Center for Sustainable Resource Science, Chemical Biology Research 
Group, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
(8)RIKEN Center for Sustainable Resource Science, Natural Product Biosynthesis 
Research Unit, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan. 
shunjitaka@riken.jp.
(9)National Institute of Advanced Industrial Science and Technology, 2-4-7 Aomi, 
Koto-ku, Tokyo, 135-0064, Japan. k-shinya@aist.go.jp.