Department of Medical and Life Science, Faculty of Pharmaceutical Science, Tokyo University of Science, 2641 Yamazaki, Noda, 278-8510, Chiba, Japan. j3b12703@ed.tus.ac.jp.|Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE, USA. morota@ansci.wisc.edu.|Bioinformatics Research Unit, Advanced Center for Computing and Communication, RIKEN, 2-1 Hirosawa, Wako, 351-0198, Saitama, Japan. manabu.ishii@riken.jp.|Database Center for Life Science (DBCLS), Research Organization of Information and Systems (ROIS), Faculty of Engineering Building 12, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, 113-0032, Tokyo, Japan. nakazato@dbcls.rois.ac.jp.|Department of Medical and Life Science, Faculty of Pharmaceutical Science, Tokyo University of Science, 2641 Yamazaki, Noda, 278-8510, Chiba, Japan. smiyazak@rs.noda.tus.ac.jp.|Bioinformatics Research Unit, Advanced Center for Computing and Communication, RIKEN, 2-1 Hirosawa, Wako, 351-0198, Saitama, Japan. itoshi.nikaido@riken.jp.